A student takes a multiple-choice test that has 8 questions. Each question has four choices. The student guesses randomly at each answer. Round the answers to three decimal places. (a) Find P3. =P3               (b) Find P More than 1

Q: K Suppose a life insurance company sells a $220,000 1-year term life insurance policy to a…

A:

Q: A novel on the Amazon.com Number of Stars 1 2 3 4 5 web site has the following ratings, in number of…

A: Given data: Number of stars Frequency 1 7 2 4 3 20 4 9 5 10

Q: At the end of a particular season, the data analyst of a hockey team provided the general manager…

A: As per our guidelines we are supposed to answer only 3 subparts of any questions so i am solving…

Q: 2. Assume that the box grabbed was a box of 12-sided die. Let the random variable Q count the number…

A: Q = No. of 1's rolled by  agent 12 sided die

Q: h d. P (3< X < 4) = e. P(X < 7) = 00 SAMSUNG SUBMIT QUESTION SAVE PROGRESS

A:

Q: 8.29 Sometimes surveys provide interesting information about issues that did not seem to be the…

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Q: Use the frequency distribution to the right, which shows the number of voters (in millions)…

A: The given frequency distribution table is, The formula for calculating the probability of each…

Q: (Question from our class forum) Your closet contains 7 red shirts, 5 blue shirts, and 2 green…

A:

Q: Need to learn how to do this in Excel: Let’s assume that the “prevalence” (i.e., the proportion of…

A: event   A : have covid-19  infection      +ve : test positive      -ve : test negative P(A) = 0.10…

Q: The bar chart below shows the speed (in gigaflops using a test package) of several processors. It is…

A: In the above graph, the horizontal axis represents several processors. And vertical axis represents…

Q: In a Club Not In a Club Total Takes AP Course 24% 16% 40% Does Not Take AP Course 51% 9% 60% Total…

A: Given:   In a club Not in a club Total Takes AP course 24% 16% 40% Does not take AP course…

Q: Suppose that scores on a particular test are normally distributed with a mean of 120 and a standard…

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Q: from the following table of yearly premiums for policies maturing at quinquenial ages, estimate the…

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Q: It is a R question. Using your personal random sample of 1,000 observations, find: the average age…

A: #Generating 1000 random sample(considered as age)random&lt;- sample(1:100, 1000, replace =…

Q: A prospective MBA student would like to examine the factors that impact starting salary upon…

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Q: 3. State or specify the null and alternative hypotheses in the following (use complete statements,…

A: The answer is attached below.

Q: Show that if (B) (C) N N then the value of neither x nor y can exceed 1/4. (A) N = X, 2x, = 3x and…

A:

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A: given data    Lower bound = 17​upper bound  = 27

Q: (d) 84%, and (e) 98%?

A: given dataμ=36σ=3normal distribution

Q: A magazine used the summated rating of 10 restaurants to predict the cost of a restaurant meal. For…

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Q: You may need to use the appropriate technology to answer this question. The Global Business Travel…

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Q: A car hire firm has two cars, which it hires out day. The number of demands for a car on each day is…

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Q: a recent​ year, 304 of the approximately​ 300,000,000 people in the United States were struck by…

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Q: A synthetic fiber used in manufacturing carpet has a tensile strength that is normally distributed…

A: normal distributionμ=75.5σ=3.5n=6p(x¯&gt;75.75) = ?

Q: Draw a graph of a normal distribution with mean μ = −4 and standard deviation σ = 2. What's the…

A: Given that  Mean = μ = −4 and standard deviation σ = 2.

Q: Suppose that Y; Y₂; Yn is random Sample from a population with probability density Function find the…

A:

Q: Z= 123 - 105 / 15  Second Part is a fraction. This is statistics to find the normal curve, please…

A:

Q: Customers of a beauty salon were surveyed to see which type of service they had during their visit…

A: Given: Variables: Type of service  Age

Q: A clothing retailer is interested in the average waist size of men. A sample is taken with the…

A: Suppose that µ is the population average waist size of men.

Q: Determine the point estimate of the population​ proportion, the margin of error for the following…

A: given data  ci for population proportion Lower bound=0.517​ upper bound=0.813​ n=1000

Q: The probability distribution of a statistic is called a sampling distribution. O True O False

A: It is given that the statement about to the sampling distribution. Here, need to find out that the…

Q: b. A person grabs 3 wash cloths. Since they take 3, it is without replacement.

A: 5 - bath towels 9 - wash towels 4 - hand towels 2 - beach towels __________________ 20 - total

Q: A magazine publishes restaurant ratings for various locations around the world. The magazine rates…

A: Given information- We have given that the magazine rates the restaurants for food, decor, service,…

Q: distribution. Calculate the following probabilities using the ALEKS calculator. Round your responses…

A: Given that  A) P(Z &gt; 1.69) = ? B) P(Z ≤ −2.09) = ? C) P(0.78 &lt; Z &lt; 2.04) = ?

Q: Evaluate loge 7 by simpson's (i) 1/3 rd, and (ii) 3/8 th rules.

A:

Q: Choose the correct answer below.

A: Solution  We have given the information we have given the values of X and corresponding residual…

Q: According to the Centers for Disease Control, the probability that a randomly selected citizen of…

A: According to the Centers for Disease Control, the probability that a randomly selected citizen of…

Q: In a large population, 82% of the households have cable tv. A simple random sample of 225 households…

A: Given, In a large population, 82% of the households have cable tv. A simple random sample of 225…

Q: Construct a confidence interval of the population proportion at the given level of confidence.…

A: The value of x and n are given. x= 860, n= 1100 Where n is sample size.  Sample proportion is given…

Q: A certain test is designed to measure the satisfaction of an individual with his/her relationship.…

A: Answer: From the given data, Let X: Score of satisfaction Mean (μ) = 55 Standard deviation (σ) = 8

Q: scores of 40 students are listed below. Find P85.   30 35 43 44 47 48 54 55 56 57     59 62 63 65 66…

A: Given that  Arranging Observations in the ascending order, We get…

Q: The scores of 15 students in a math test are given below: 43 37 59 71 56 62 45 65 51 50 32 58 45 62…

A: Given that data 43 37 59 71 56 62 45 65 51 50 32 58 45 62 76

Q: Using the joint probability table below, determine E(XY). 4357 101 0.05 0.05 0.15 0.3 0.15 0 0.15…

A: The table shows the joint probability distribution.

Q: A police station had to deploy a police officer for an emergency multiple times in the last four…

A: The given table below shows the number of emergencies each evening: The formula for calculating the…

Q: Determine the missing value so that the probability distribution is valid. x P(D=x) 1   2 0.26 3…

A: Given that  x P(D=x) 1 a 2 0.26 3 0.34 4 0.28 Note : According to bartleby experts…

Q: random sample of 1000 people was taken. 450 of the people in the sample favored the candidate B.…

A: Here, random sample is 1000 and 450 people has chosen. We will find 95 % confidence Interval for…

Q: There is a 68% chance that a dog will have a black collar. If there are 15 dogs at a dog park, what…

A: It is given that n = 15 and p = 0.68.

Q: 3. State or specify the null and alternative hypotheses in the following (use complete statements,…

A: The answer is attached below.

Q: (a) above 30, (b) above 20, (c) above 18,

A: given datanormal distributionμ=17σ=5

Q: assume that the daily retun on Apple stock is approximately normally distributed  with the mean…

A: From the provided information, Mean (µ) = 0.13% Standard deviation (σ) = 2.34% X~N (0.13, 2.34)