Suppose the average age of family members is 34 with a standard deviation of 4. One hundred members of the community decided to have a summer outing bonding and relaxation. What is the equivalent standard score if we are to find the probability of getting the average age of theses family members that is greater than 33.  What is the probability that these family members have average age of greater than 33?

Q: What is the probability that a first grade classroom of 20 students who are chosen randomly from the…

A: Given Information: Mean μ=100 Standard deviation σ=15 Sample size n=20

Q: About 79% of all female heart transplant patients will survive for at least 3 years. Eighty female…

A: Consider that p is population proportion of female heart transplant patients, who are surviving for…

Q: The IQ of children in a special education class are normally distributed with µ=95 and Q=10 What is…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: The heights of North American women are normally distributed with a mean of 64 inches and a standard…

A: Solution: Let X be the height of North American women. From the given information, X follows normal…

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A: Consider the given information.

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Q: Suppose the scores on a statistics exam follow a normal distribution with a mean of 70 and a…

A: GivenMean(μ)=70standard deviation(σ)=10

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Q: a typical adult has an average IQ score of 105 with a standard deviation of 20. If 19 randomly…

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Q: the golf scres for a team were normally distributed with a mean of 95 and a standard deviation of 6.…

A: We have find givan normal distribution..

Q: The probability that the sample proportion surviving for at least 3 years will be less than 67% isO…

A: Given P=0.73 q=0.27 n=80

Q: The distribution of scores for the third exam in a statistics course has a mean of 74 and a standard…

A: Given Information: Mean, μ=74 Standard Deviation, σ=15 Sample Size, n=36

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

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A: Given, Mean cholesterol level is 204 and standard deviation 42.5, A random sample of size 112.

Q: We are interested in the mean migration distance of Canadian geese. Suppose that we know that the…

A: Sample size n =25 Population mean μ =2500 Population standard deviation =250

Q: Based upon extensive data from a national high school educational testing program, the mean score of…

A: Given,Mean, μ = 605Standard deviation, σ = 112Sample size, n = 196

Q: Suppose that the distribution of touchdown passes (in football) is normally distributed with a mean…

A:

Q: The average score on the SAT is 1020, with a standard deviation of 180. If you take a random sample…

A: We have given that Mean(µ) = 1020 Standard deviation(σ) = 180 Sample size (n) = 50

Q: According to the Department of Education, college students spend an average of 270 minutes per day…

A: The probability that students spent less than 230 minutes on their phone that day is obtained below:…

Q: According to the study, the average number of hours that the student spent studying per week in the…

A: From the provided information, Mean (µ) = 56 hours Standard deviation (σ) = 14 hours X~N (56, 14)

Q: The average biking time spent by Dutch people is 30 hours per week. Suppose 130 Dutch people joined…

A:

Q: A coin is tossed 5 times. What is the probability that a) at most 2 heads will occur? (b) At least 2…

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Q: Suppose the scores, on a college entrance examination are normally distributed with a mean of 1000…

A: We have given that Suppose the scores, on a college entrance examination are normally distributed…

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

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A:

Q: the distribution of heart rates for women ages 20-39 is approximately normal with a mean of 73 beats…

A: The mean is 73 and the standard deviation is 15.9.

Q: The height of American women ages 18 and 29 are normally distributed with a mean of 64.3 inches and…

A: Given:The height of American women ages 18 and 29 are normally distributed with a mean of 64.3…

Q: When Noah goes bowling, his scores are normally distributed with a mean of 135 and a standard…

A: Let X be the Noah goes bowling, his scores are normally distributed  mean μ=135, standard deviations…

Q: According to the Bureau of Labor Statistics, the average number of weeks an individual is unemployed…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The scores on a test are normally distributed with an average (mean) of 72 and a standard  deviation…

A: As per our guidelines we are suppose to answer only three sub parts . Mean(μ)=72Standard…

Q: According to data released by New Town Chamber of Commerce, the weekly wages of office workers have…

A: Sample mean=$750population mean=$723Standard deviation=$151sample size=57

Q: Suppose you are doing a sample of 25 from a population that follows normal distribution with the…

A: Given data,Mean μ=95sd σ=15P(X<92)=?

Q: The record of 35 randomly selected participants of a marathon was selected. The mean time it takes…

A:

Q: The average score of employees on mental examinations is 110. Suppose that nothing is known about…

A: We have given that, Mean (mu) = 110    SD(sigma) = 28   n= 90 Mean(x-bar) = 102

Q: Dr. Brown wants to conduct a study on 144 college age student who drink at a local bar in town. The…

A: Sampling Distribution of a Normal Variable : Given a random variable X. Suppose that the population…

Q: The life expectancy in the United States is 75 with a standard deviation of 7 years. A random sample…

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

Q: he manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A:

Q: Suppose we have a box representing our population  [0,1,1,2,3,5], the mean is 2.0 and standard…

A: