The standard deviation of a binomial distribution is: Group of answer choices square root of npq np npq square of npq

Q: The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. Assume you record…

A:

Q: A racing car consumes a mean of 9292 gallons of gas per race with a standard deviation of 44…

A: Given: Mean, μ=92Std deviation, σ=4n = 41

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.9…

A:

Q: The lengths of Atlantic Croaker Fish are normally distributed with mean of 10 inches and a standard…

A: Given: Consider a random variable X which denotes the length of the fish. The random variable X is…

Q: What is the excel forumla for this problem? You manage a small brewery that makes local craft beer.…

A: From the given information,   Mean = 12 Standard deviation = 0.5

Q: The average yearly medicaid hospital insurance benefit per person was $3560 in a year. The benefits…

A: Points on sampling distribution of the sample mean: If the true population distribution of a random…

Q: Your company has a contract to perform preventive maintenance on thousands of air- conditioners in a…

A: Given that μ=1 hour and σ=1 hour Let X denote the time spent in servicing a unit.

Q: the ____ is based on only two scores in a distribution. -deviations  -variance -range -standard…

A: We know that, Deviations refers to the distance between the observations from their corresponding…

Q: A pharmaceutical company claims that a drug is effective in treating 90% of people having severe mig…

A: Given information: The percentage of people having severe migraine headaches is 90%. That is, p=0.90…

Q: What is the random variable in this narrative

A: Claim is that the average number of weeks an individual is unemployed is 17.5 weeks.

Q: After years of growing trees we have cataloged every apple in our orchard. We found that the weights…

A: Given that, After years of growing trees we have cataloged every apple in our orchard. We found that…

Q: The mean of a normally distributed random variable is always bigger than its standard deviation.…

A: FALSE.  Explanation: Generally, the mean of a Normal distribution is higher than the standard…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: The sampling distribution of p-hat(sample proportion) is approximately normal with mean p and…

Q: A recent survey reported that 37% of 18- to 29-year-olds in a certain country own tablets. Using the…

A: Given,n=6p=0.37A random variable X~Binomial(n=6 , p=0.37)P(X=x)=6x0.37x1-0.376-x  ;   x=0,1,2,....6

Q: the mean starting salary for nurses is 67,984 dollars nationally. the stndard deviation is…

A: Mean is 67984 dollars Standard deviation is 10391 dollars

Q: In 2001 there were 869 road fatalities in Virginia, according to the Virginia Department of Motor…

A:

Q: binomial experiment is given. Decide whether you can use the normal distribution to approximate the…

A: Given  P=0.81 n = 12   Since np=12*0.81=9.72 which is >5 so we    can use the normal distribution…

Q: A rugby team from the country of Atlantis is formed by randomly drawing from its population. The…

A: Given that: Population mean, μ=165 Population standard deviation, σ=10 Sample size, n=26

Q: The shape of the distribution of the time required to get an oil change at a 15 minute oil change…

A:

Q: In a binomial experiment each person has a 22% of guessing a correct answer on a true/false item. If…

A:

Q: in a recently conducted study, families reported using an average of 70 gallons of gasoline per…

A:

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: given data, here p=perents of ttenagers have taken their cell phone or internet privileges away as a…

Q: Last year, a person wrote 134 checks. Let the random variable x represent the number of checks he…

A: Obtain the mean number of chicks written per day. The mean number of chicks written per day is…

Q: Tim is a researcher who is dealing with a SAMPLE of scores.  The SAMPLE of scores is: 15, 17, 19,…

A: Given data is 15, 17, 19, 22, 10, 23, 16, 15S.S=122.88

Q: In the country of United States of Heightlandia, the height measurements of ten-year-old children…

A:

Q: Suppose a batch of metal shafts produced in a manufacturing company have a standard deviation of 1.4…

A:

Q: Help with this problem please! I would like an explanation on the answer.   The distribution of…

A: Here , To solve this problem we need to use CENTRAL LIMIT THEOREM(CLT)

Q: The shape of the distribution of the time required to get an oil change at a 20 minute oil change…

A: The provided information is, µ=21.6 s=4.6 n=40

Q: It is reported that the average number of weeks an individual is unemployed is 17.5 weeks. Assume…

A: Denote X as the number of weeks an individual is unemployed. It is given that X is distributed, with…

Q: Chick fil a is planning to open a big location on Lust campus. Based on their experience they know…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: A so-called "murder hornet" has an average body length of 45 mm with a standard deviation of 3 mm.…

A: Let X be the random variable from normal distribution with mean (μ) = 45,  standard deviation (σ) =…

Q: Binomial Distribution: cdf/pdf/Expected Value/Standard Deviation According to recent research, about…

A: Take the random variable as X. Here X ~ Binomial(50,0.72)  PMF of X is given by, P(X=x) =…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.