m- Ap... G C OpenCCC: Welco... CSAC Authenticati. uPortal Ask a Co b. For samples of n= 4. What proportion of the samples will have means between 75 and 85? P(75

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What is the probability of selecting a random sample of n=4 students with an avergae age greater than 23?( Careful: this is a truck question)

m- Ap...
G C OpenCCC: Welco...
CSAC Authenticati.
uPortal Ask a Co
b. For samples of n= 4. What proportion of the samples will have means between
75 and 85? P(75<M<85) ?
C. For samples of n= 16, what proportion of the samples will have means between
75 and 85? P(75<M<85)?
4. The distribution ages for students at the state college is positively skewed with a mean
of u= 21.5 and a standard deviation of o = 3.
a. What is the probability of selecting a random sample of n=4 students with an
average age greater than 23? (Careful: This is a trick question.)
b. What is the probability of selecting a random sample of n= 36 students with an
average age greater than 23?
c. For a sample of n= 36, students what is the probability that the average age is
between 21 and 22?
wers on a separate sheet of paper, then upload a photo of your work (.jpg or pdf). E
in order to receive full credit.
Transcribed Image Text:m- Ap... G C OpenCCC: Welco... CSAC Authenticati. uPortal Ask a Co b. For samples of n= 4. What proportion of the samples will have means between 75 and 85? P(75<M<85) ? C. For samples of n= 16, what proportion of the samples will have means between 75 and 85? P(75<M<85)? 4. The distribution ages for students at the state college is positively skewed with a mean of u= 21.5 and a standard deviation of o = 3. a. What is the probability of selecting a random sample of n=4 students with an average age greater than 23? (Careful: This is a trick question.) b. What is the probability of selecting a random sample of n= 36 students with an average age greater than 23? c. For a sample of n= 36, students what is the probability that the average age is between 21 and 22? wers on a separate sheet of paper, then upload a photo of your work (.jpg or pdf). E in order to receive full credit.
Expert Solution
Step 1

Given data

distribution is positively skewed 

μ=21.5σ=3

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