We sample 100 tickets from a box with replacement and compute the sample sum. The sample sum with probability 10% is smaller than 25 and with probability 90% is smaller than 85. What is the approximate standard deviation (SD)of the tickets in the box?

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: From the provided information, x P(x) 0 0.006 1 0.034 2 0.106 3 0.221 4 0.273 5…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: From the provided information,Mean (µ) = 162000Standard deviation (σ) = 36000Sample size (n) = 58

Q: You want to estimate the average size of the shoes of kids going to your bowling alley so you can…

A: From the provided information,The data values are as follow:2, 3, 4, 5, 6, 6, 7, 7The mean is 5.

Q: You randomly select 25 teachers. What is the probability that their mean salary is more than $70000,…

A: Given thatRandomly select 25 teachersPopulation mean salary is 56000Standard deviation 15000To…

Q: A student takes a multiple choice exam with 10 questions, each with four possible selections for the…

A: Given that, A student takes a multiple choice exam with 10 questions, each with four possible…

Q: About 1% of the population has a particular genetic mutation. 187 people are randomly selected.…

A: Obtain the mean for the number of people with the genetic mutation in such groups of 187. The value…

Q: find the mean, variance, and standard deviation   Twenty-one percent of U.S. employees who are late…

A: The value of mean is 0.84, which is obtained as follows:

Q: What is the mean of the sample distribution? What is the R code to find the probability that this…

A: The population mean: μ=2500 Standard deviation: σ=250 Sample Size: n=25

Q: Refer to the accompanying​ table, which describes results from groups of 8 births from 8 different…

A: Given probability distribution table…

Q: A baseball team has 31 players, 8 of whom bat left-handed. Suppose that the manager of this team is…

A: A baseball team has 31 players, 8 of whom bat left-handed. Suppose that the manager of this team is…

Q: The average price of a college math textbook is $151 and the standard deviation is $26. Suppose that…

A: Given Data: Let X represent the random variable X~ Normal (151, 262)   n=42 Therefore, X¯~ Normal…

Q: High school girls average 80 text messages daily. Assume the population standard deviation is 15…

A: Given information:

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: The monthly utility bills in a city are normally distributed with a mean of $100 and a standard…

A:

Q: A voin is tossed four times. Let x denote the number of heads. Find the mean and standard deviation…

A: A coin is tossed four times. The  denotes the number of heads.

Q: A company manufactures Samsung electronics. The mean resistance for these electronics is 1000 ohms…

A: We have yo find the probability that the mean resistance of these 50 electronics will be 1005 ohms…

Q: 500 freshmen at Arundel University took part in a math comprehension test. The scores were normally…

A: From the provided information, Mean (µ) = 75 Standard deviation (σ) = 7 Let X be a random variable…

Q: A fair coin is tossed three times (consecutively). If X is the number of heads of the first shot and…

A: It is an important part of statistics . It is widely used .

Q: About 10% of the population has a particular genetic mutation. 1000 people are randomly selected.…

A: Binomial distribution is a discrete distribution that deals with the probabilities of success and…

Q: A normal population had a mean of 70 and a standard deviation of 12. You select a random sample of…

A: μ = 70σ = 12n = 9P(x¯>73) = ?

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: xP(x)00.00310.02620.11830.21240.27450.22760.10870.02780.005

Q: During a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are removed, depending on the…

A: (a) Obtain the mean of the sampling distribution of the sample mean. The mean of the sampling…

Q: normal population had a mean of 70 and a standard deviation of 12. You select a random sample of 9.…

A: given data normal distributionμ = 70σ = 12n = 9 P(x¯<66) = ?

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A:

Q: A student randomly guesses at four multiple-choice questions. Each question has three possible…

A:

Q: The mean is μ = girl(s). (Round to one decimal place as needed.) The standard deviation is o =…

A: Number of girls xP(x)00.00310.03220.11430.22740.26650.21460.11270.02980.003

Q: Suppose that heights of women in Utah are normally distributed with a mean of 74 inches and a…

A:

Q: During a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are removed, depending on the…

A: We have to find mean and sd.

Q: Suppose that we know that 33.8% of the people born in the United States between 1936 and 1951 have…

A:

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: 1, the mean number of goldfish in the package is 187. find the probability of choosing a package…

A: Thanks for posting the question. Since multiple questions are posted, we will answer one question…

Q: You want to estimate the average size of the shoes of kids going to your bowling alley so you can…

A: Given:Sample size (n) = 8Data: 2,3,4,5,6,6,7,7Mean  = 5

Q: Consider an experiment in which a coin is tossed thrice. Let X be the number of heads. Find the…

A:

Q: Eighty-three percent of adults in a certain country believe that life on other planets is plausible.…

A: The value of mean is 4.15, which is obtained as follows:

Q: 3. We know that heights of U.S. adult females is approximately normal with a mean of about 64 inches…

A: Given that heights of U.S. adult females is approximately normal with a mean of about 64 inches and…

Q: n a television survey questionnaire, 2000 surveys were mailed.  The response rate is normally…

A: Given Information: In a television survey questionnaire, 2000 surveys were mailed.   The response…

Q: 61% percent of adults in a certain country believe that life on other planets is plausible. You…

A: