Question

A classic counting problem is to determine the number of different ways that the letters of "difference" can be arranged. Find that number

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: In a recent poll, 45% of survey respondents said that, if they only had one child, they would pr...

A: (a) The probability that at least 84 would prefer a boy is 0.1230 and it is obtained below: From th...

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: A manufacturer of automatic car transmissions uses steel gears. An important characteristic of these...

A: Hi! Thank you for posting the question. Since your question has more than three sub-parts, we have s...

Q: An automobile manufacturer finds that 1 in every 2000 automobiles produced has a particular manufact...

A: It is given that n =5,000 and p = 0.0005 (=1/2,000).The probability mass function of binomial distri...

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: 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...

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: a group of diners were asked how much they would pay for a meal. their responses were $7.50,$8.25,$9...

A: Five number summary:Minimum value: It represents the least value for any given set of observations.F...

Q: Consider a bimominal experiment with 2 trials and p=0.4 d. Find the probability of at least one succ...

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: this a statistics question!!!! I am lookin for the monetary value!!!! For box a is $100,000 box b i...

A: Solution:The expected value of a random variable X formula is

Q: How many different three-letter words (including nonsense words) can be formed such that the two let...

A: The permutation can be used to find the number of ways by which a set of objects can be arranged whe...

Q: A corporation must appoint a president , chief executive officer, coo, cfo. It must appoint a planni...

A: From the given information,The total number of candidates and officers = 11The total number in the p...

Q: 2.Researchers studied selenium levels in beef raised in a low selenium region of the United States. ...

A: Step-by-step procedure to obtain the symmetry using Excel software is as follows:First enter the dat...

Q: Please see picture

A: Let A be the event that a lot has 5 defective parts and B be the event that a lot has 2 defectiven p...

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 69 mile...

A: Solution:The empirical rule for any normal distribution is given below.68% of the observations fall ...

Q: 2. A study based on a sample size of 36 reported a mean of 87 with a margin of error of 10 for 95% c...

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will an...

Q: An apple a day: Following are the numbers of grams of sugar per 100 grams of apple in a random sampl...

A: Sample mean and standard deviation:Descriptive statistics:Step-by-step procedure to obtain the descr...

Q: Scores on a certain test are normally distributed with a variance of 90. A researcher wishes to esti...

A: According to the provided information,

Q: 1. Given the data set: {3, 5, 6, 9, 4,7,4,2,3,9, 1, 3, 8} provide the following rounded to two decim...

A: Hey, since there are multiple questions posted, we will answer first question’s three sub part quest...

Q: Explain the four different types of sampling and give an example of each.

A: Different types of sampling methods with examples.Types of random samplings(1) Simple random samplin...

Q: Bill commutes to work in the business district of Boston. He takes the train 2/5 of the time and dri...

A: Let Y be the takes the train, D be he takes the train, and A be the drives the time.Therefore, it is...

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=5n=5 times. Use some ...

A: Solution: We are given that a random variable k follows a binomial distribution with n = 5 and p=0.4...

Q: A recent survey revealed that an American's Christmas spending averaged $830. Use this as the popula...

A: From the given information, let us define the random variable X as the amount of spending follows no...

Q: A random sample of 226 Chinese Americans has finished an average of 12.6 years of formaleducation wi...

A: The provided data is,

Q: Describe the distribution of this variable by commenting on the shape (modality (how many peaks), sy...

A: Form the given graphs1st graph is uniformly distributed2nd graph is skew distributed (right skewed d...

Q: Number 6.

A: 6.a.The probability that the sample mean will be greater than 50 is obtained below:From the given in...

Q: Find the z-scores that separate the middle 48%of the distribution from the area in the tails of th...

A: Computation of probability of the area above and below the 48% of the distribution from the area:Fro...

Q: In a study of the accuracy of fast food drive-through orders, Restaurant A had 241 accurate orders ...

A: The formula for the 95% confidence interval for the proportion is given below:

Q: Statistics Question

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

Q: How can graphics and/or statistics be used to misrepresent data?

A: Graphical representation or statistical data can be misleading or misrepresented. Some statistics ca...

Q: 1) For a two-tailed hypothesis using a z-distribution, find the critical values (z-scores)that will ...

A: (a)Given: alpha = 0.20.For two tailed test, critical Z value can be calculated as:

Q: A certain flight arrives on time 82 percent of the time. Suppose 198flights are randomly selected. U...

A: It is given that 82% of the time the flight arrives on time. Therefore, probability of a selected fl...

Q: A group takes a Personality test of Extraversion and they all take the test. They find that the grou...

A: It is given that the mean and standard deviation are 50 and 10, respectively.

Q: Need answers to questions 8-11.

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will an...

Q: Assume the random variable X has a binomial distribution with the given probability of obtaining a s...

A: Given datan = 6p= 0.5Required probability is given by

Q: The mean score on a driving exam for a group of driver's education students is 60 points, with a s...

A: Solution:From the given information, k value is 22, standard deviation of points is 4 and mean numbe...

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: Using Example 8.3 from the first submitted image, solve the problem for the second submitted image.

A: It is given that margin of error (E) is 0.05 and the confidence level is 95%.Here,

Q: Number 21

A: a)As alpha level is given and two-tailed hypothesis test is used then before treatment z-score value...

Q: Tanya takes her physics test and is told that her z-score is 3.10. What percentage of students score...

A: It is given that the z-score is 3.10.

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

A: a)Given:

Q: Please show TI 84 steps

A: Consider X to be the random variable, defined as the lead level in water specimens with sample mean ...

Q: Please show TI 84 steps

A: Introduction:The 100 (1 – α) % confidence interval for the population mean, μ, for given population ...

Q: Illustrate a venn diagram for ( D U E) c (intersection, upside down U) F sets: D ( b,a,c,k). E ...

A: Given sets areD= {b, a, c, k}E= {t, a, s, k}F= {b, a, t, h}Universal set U is = {a, b, c, h, k, s, t...

Q: Please show TI 84 steps

A: According to the provided data, the sample size, n is 1100 with the probability of success, p is 0.8...

Q: How so I solve x+19=0. 3

A: Hello there! You have posted the algebra question under statistics. Please make sure to post the que...

Q: Please see picture

A: Solution:1.The expected value of X is obtained below:

Q: A clinical trial tests a method designed to increase the probability of conceiving a girl. In the st...

A: Given datan = 600x = 330Sample proportion is given by

Q: Find the area under the standard normal distribution to the left of z=0

A: It is givne that the z-score is 0.

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=13n=13 times. Use eit...

A: Giventotal number of trails = n = 13probability of success = p = 0.46To find the probability of 1 su...