Suppose you and two friends decided to go to Burgers-and-More, which last year filled approximately 89.7% of orders correctly. What is the probability that   a. all three orders will be filled correctly?   b. none of the three will be filled correctly?   c. at least two of the three will be filled correctly?   d. What are the mean and standard deviation of the binomial distribution used in (a) through (c)? Interpret these values.

Q: 55% of college graduates know the name of the Secretary of State for the U.S. You randomly select 5…

A: (a) Obtain the mean of the binomial distribution. The value of the mean is obtained below: Let X…

Q: According to Nielsen Media Research 30% of televisions are tuned in to the NFL Monday Night Football…

A: Note: Thanks for posting the question, in subparts (b) and (c), “exactly 5 or the 15 televisions” is…

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

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: A research firm conducted a survey to determine the average amount of money consistent smokers spend…

A: We have given that,  Let X be a random variable from normal distribution with mean(μ) = 20 and…

Q: Suppose that the heights of men in the United States are normally distributed with a mean of 65.6…

A: The mean is 65.6 and the standard deviation is 2.7.

Q: In the following probability distribution, the random variable x represents the number of activities…

A:

Q: Since the heights of people in USA is normally distributed, what is the probability that an…

A: Given data Normal distributionP(x>μ+2σ) = ?

Q: 4. Assume, you throw (shot) a basketball until you make the basket r times. Assume, your chance of…

A: Consider the following notations, X=number of successesp=probability of single successq=probability…

Q: A car salesman has a .2 probability of selling a car (or more than one car) each day.  In 100 days…

A: There are two possible outcomes in this case. That is, probability of selling a car and probability…

Q: 78​% of U.S. adults think that political correctness is a problem in America today. You randomly…

A: Given ,n=6p=0.78A random variable X~Binomial(n=6, p=0.78)

Q: a. The number of brownies sold by a bakery on a random day is a random variable with a mean value of…

A: From the provided information, Mean (µ) = 38 Standard deviation (σ) = 6 X~N (38, 6) Sample size (n)…

Q: Consider a binomial distribution. About 35% of all college students are currently enrolled in an…

A: Given : Probability of success = p = 0.35 Number of sample = n = 25

Q: The Wall Street Journal reported that approximately 25% of the people who are told a product is…

A: The information provided in the question are as follows :- Proportion of people who believed that…

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A:

Q: An operations manager is studying the failure of equipment in a manufacturing facility. He knows…

A: Given, An operation manager is studying the failure of equipment in a manufacturing facility. He…

Q: 84 tires in a factory are tested for defectiveness. 12% of tires made in the factory are defective.…

A: From the provided information, Sample size (n) = 84 tires 12% of tires made in the factory are…

Q: Suppose that you have a 5% chance of having a car accident in the next year, and that your loss…

A: There is a 5% chance of having a car accident in the next year and 95% chance of not having any car…

Q: A popular art museum in Izmir can accept 1,200 visitors a day. If this amount of traffic is…

A: We have given that  We want to use exponential distribution.  Mean = β Where  λ  = 1/β

Q: Suppose that the amount of a weekly grocery bill of all households in a metropolitan area is…

A: Mean = 140 Sample standard deviation = 35 Sample size = 49 Using standard normal distribution.

Q: 8. At a raffle, 1500 tickets are sold at $2 each for four prizes of $500, S250, $150, and $75. You…

A: The gain for each four prizes are given below:For $500, the gain is $500–$2=$498.For $250, the gain…

Q: 3. Derive the variance of the F distribution.

A:

Q: Hila City typically has rain on about 16% of days in February. a. What is the probability that it…

A: Given,p=0.16q=1-0.16=0.84no.of days in the month of February(n)=28Let X= no.of days will rain in the…

Q: According to a study conducted by a statistical organization, the proportion of people who are…

A: Given that,   n=100,p=0.82 The Mean and standard deviation of the sampling distribution is,

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

A:

Q: sample of 31 years of rainfall for California and a sample of 49 years of rainfall for New York has…

A: Given information for State of California: Mean, μ=22. Standard deviation, σ=4. Sample size, n=31.…

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: You roll 2 4-sided dice and record the total of the possible sums. Let X represent the total. (Hint…

A: Given information: You roll 2 4-sided dice and record the total of the possible sums. Let X…

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

A: To find the mean, variance, and standard deviation of a binomial distribution, we use the…

Q: The owner of a convenience store has determined that their daily revenue has mean $7,200 and…

A:

Q: Idea of variance is to measure the Select one: a. Know the central value of the data b. difference…

A: Mean , median and mode of the data are use to represent the measures of central tendency. Like for a…

Q: probability of a certain number of people not showing up to work. How many absences do we expect…

A: Given, Absences Odds(%) 0 25 1 25 2 20 3 15 4 10 5 5

Q: 76% of U.S. adults think that political correctness is a problem in America today. You randomly…

A: It is given that 76% of U.S adults think that political correctness is a problem in America.…

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: When will I see the credit?  In a random sample of 170 customers, 90 ordered chicken sandwitches…

A: The probability that at least 150 favor a charter school is obtained below: From the given…

Q: Ryan is throwing a football through a tire in his backyard. He has the probability of .30 of…

A: