Math

StatisticsQ&A LibraryAutomobile repair costs continue to rise with the average cost now at $367 per repair.† Assume that the cost for an automobile repair is normally distributed with a standard deviation of $88. Answer the following questions about the cost of automobile repairs. (a) What is the probability that the cost will be more than $460? (Round your answer to four decimal places.) (b)What is the probability that the cost will be less than $240? (Round your answer to four decimal places.) (c)What is the probability that the cost will be between $240 and $460? (Round your answer to four decimal places.) (d)If the cost for your car repair is in the lower 5% of automobile repair charges, what is your maximum possible cost in dollars? (Round your answer to the nearest cent.) $Start your trial now! First week only $4.99!*arrow_forward*

Question

Automobile repair costs continue to rise with the average cost now at $367 per repair.† Assume that the cost for an automobile repair is normally distributed with a standard deviation of $88. Answer the following questions about the cost of automobile repairs.

(a)

What is the probability that the cost will be more than $460? (Round your answer to four decimal places.)

(b)What is the probability that the cost will be less than $240? (Round your answer to four decimal places.)

(c)What is the probability that the cost will be between $240 and $460? (Round your answer to four decimal places.)

(d)If the cost for your car repair is in the lower 5% of automobile repair charges, what is your maximum possible cost in dollars? (Round your answer to the nearest cent.)

$

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: unrest and violence on one southern campus had descreased by 62% from 10 years ago. four out of ten ...

A: Population:The set of all subjects of interest can be termed as population.Sample:The subset of the ...

Q: 7q3r2 Time 9.8 3.3 4.5 2.8 14.4 2.6 6.7 8.9 3.9 4.1 2.5 2.8 0.1 1.3 6.3 10.8 7.5

A: The t-test considered here is a left-tailed test.The sample size is, n = 25.Since one of the degrees...

Q: Explain the difference between a stratified sample and a cluster sample. (Select all that apply.) In...

A: Cluster sampling is a sampling method in which the researcher divides the population into clusters, ...

Q: A research poll showed that 1282 out of 2040 randomly polled people in a country favor the death pen...

A: Confidence interval:A range of values such that the population parameter can expected to contain for...

Q: the following display from a TI-84 plus calculator presents a 95% confident interval. zinterval(29.8...

A: It is given that the 95% confidence interval is (29.856, 39.608).

Q: Assume that a national fitness study reports that 5% of millenials exercise daily. Suppose that a re...

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of ...

Q: A scrable players scores an average of 365 points per game with a standard deviation of 41. What is ...

A: From the given information,x (score) is the random variable that follows normal distribution with me...

Q: See attached photo of data Using 0.5 as you alpha level for the levines test, the "sig" value for L...

A: All the answers are based on the output of test performed by you. This will help you read the output...

Q: Provide an appropriate response with details. A 28 year old man pays $206 for a one year life insura...

A: From the given information, the probability of he will live through the year is 0.9992. And a 28 yea...

Q: The lengths of a professor's classes have a continuous uniform distribution between 50.0 min and 52....

A: Solution: We are given that the lengths of a professor's classes have a continuous uniform distribut...

Q: Construct a 95% confidence interval for the population mean muμ. Assume the population has a Normal...

A: The margin of error is obtained below:The level of significance=1-0.95=0.05.The degrees of freedom= ...

Q: In this boxplot the numeric variable box office gross (sales) of films is plotted by the genre of th...

A: As per the questiona)From the box plot, Among the SciFi, Asian Market has the highest Inter Quantile...

Q: 72% of all students at a college still need to take another math class. If 34 students are randomly ...

A: In this context, X has a Binomial distribution with parameters n = 34 and p = 0.72. Since X is a dis...

Q: Please show TI 84 steps

A: The given data show that the surface roughness of coated interior pipes.

Q: A facilities manager at a university reads in a research report that the mean amount of time spent i...

A: Since, we only answer up to 3 sub-parts, we'll answer the first 3. Please resumbit the question and ...

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the ind...

A: Given:Mean=28Standard deviation=3.4

Q: Two fair dice are rolled, one blue, (abbreviated B) and one red, (abbreviated R). Each die has one o...

A: Note:Hey there! Thank you for the question. The Venn d=Diagram that you have posted is in image form...

Q: 3. Determine a and b for Y X1 and Y2aX bX2 such that EX1 EX2}= 0, Var(X) Var(X2) Var(Yi) Var(2) 1, C...

A: The provided information is:

Q: In jumbled box of pens and pencils, the probability of randomly choosing a sharpened pencil is .54 a...

A: Given dataprobability of randomly choosing a sharpened pencil P(S) = 0.54probability of randomly cho...

Q: Today, the waves are crashing onto the beach every 5.3 seconds. The times from when a person arrives...

A: Let X be the random variable uniformly distributed between 0 and 5.3 seconds.Denote X as the time fr...

Q: Part A, B, and C

A: The provided information are:

Q: Following are the weights of 8 boxes of cookies, each of which is labeled as containing 16 ounces. A...

A: It is provided that,Sample size (n) = 8Hypothesized population standard deviation (σ0) = 0.1Level of...

Q: Today, the waves are crashing onto the beach every 5.8 seconds. The times from when a person arrives...

A: From the given information, the random variable X as he times from when a person arrives at the shor...

Q: Consider a binominal experiment with 2 trials and p=0.4 a. Compute the probability of 1 success f(1)...

A: Given binomial experiment with n = 2 and p = 0.4The binomial probability for x number of success is ...

Q: Personnel tests are designed to test a job applicant's cognitive and/or physical abilities. A part...

A: It is given that the mean and standard deviation are 74 and 7.4, respectively.

Q: 29. Surgical complications : A medical researcher wants to construct a 99% confidence interval for t...

A: It is given that margin of error (E) is 0.04 and the confidence level is 99%.

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 412 green peas ...

A: a) The 95% confidence interval to estimate the percentage of yellow peas is (23%, 31%) and it is cal...

Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...

A: The formula for the values of Z that will give the middle 90% is stated below:

Q: How hot is the air in the top (crown) of a hot air balloon? Information from Ballooning: The Complet...

A: a)Given:

Q: Find a value of the standard normal random variable z , call it z 0z0, such that the following pro...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: The US population is 13% African American. If you were to take a SRS of 500 Americans, below what p...

A: From the given data The US population is 13% African American

Q: Suppose that you randomly selected 23 adults. Assume 20% of the population smoke. Round all answers...

A: It is given that the random variable X, number of smokers follows a binomial distribution with n=23 ...

Q: Selecting a card- when a card is drawn from a deck, find the probability of getting d. A king e. A r...

A: Total number of cards in a deck =52.There are 4 kings in the deck.There are 26 red cards in the deck...

Q: Assume that a national fitness study reports that 5% of millenials exercise daily. Suppose that a re...

A: Solution: We are given that a random variable X that represents the number of millenials in the samp...

Q: Please see picture

A: Part a)

Q: Please show TI 84 steps

A: It is given that margin of error (E) is 0.15 and the confidence level is 90%.Here,

Q: Suppose, according to a 1990 demographic report, the average U. S. household spends $90 per day. Sup...

A: Sample mean = $84.5.Sample standard deviation, s is $14.5.The sample size, n is 30.

Q: The probability of a randomly selected adult in one country being infected with a certain virus is 0...

A: It is provided that the probability, in one country a randomly selected adult being infected with a ...

Q: 7.4.46 Question Help When asked whether marriage is becoming obsolete, 758 out of 1968 randomly sele...

A: It is given that 758 out of 1,968 randomly selected adults who responded to a poll said yes. The sam...

Q: Suppose you flip eight fair coins What is the probability of flipping less than three heads? What...

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n...

Q: Bags of dog food are labeled 1 through 50. What is the probability that the dog will choose a number...

A: It is provided that, the bags of food have been labeled through 1 to 50.The formula to calculate the...

Q: A random sample of 25 observations yield a mean of 106 and a standard deviation of 12. Find the prob...

A: From the given information,Sample size 25, mean 106 and standard deviation 12

Q: A card is selected at random in a standard deck of 52 cards. What is the probability of selecting a ...

A: The number of cards in a deck is 52. In these 52 cards number of red cards is 26 and number of black...

Q: Over the past 100 days, the price of a certain stock went up on 60 days and went down on 40 days. Ex...

A: Any statistical report should provide with the necessary values along with the conclusion, so that t...

Q: Part A, B, D

A: Part (a):The term, μi represents the random error term in the regression model, for the ith observat...

Q: PBS News Hour reported in 2014 that 39.4% of Americans between the ages of 25 and 64 have at least a...

A: It is given that n =55 and p = 0.3940.The probability mass function of binomial distribution is give...

Q: Problem 1

A: Given information:Mean, µ=3,510Standard deviation, σ=385

Q: Six hundred and five survivors of a heart attack, were randomly assigned to follow either (1) a diet...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: Consider a binominal experiment with 2 trials, and p=0.4 a. Compute the probability of 1 success, f(...

A: It is given that n = 2 and p = 0.4. Therefore, q = 1–p = 0.6.The PMF of binomial distribution is giv...

Q: Suppose the distribution of speeds of cars traveling on the I-5 in California is nearly normal with ...

A: Solution:a.The percentage of cars travel above the speed limit is obtained below:Let the random vari...