1. Calculate the standard error of the mean when …

a. σ = 10, *n* = 15

b. σ = 4.7, *n* = 12

c. σ = 7, *n* = 20

2. A population has a mean value of 16.0 and a standard deviation of 7.5. Calculate the following with a sample size of 9.

a. P[*x*≤17]

b. P[*x*>18]

c. P[14.5≤*x*≤16.5]

3. Calculate the standard error of the proportion when …

a. *p* = 0.25, *n* = 200

b. *p* = 0.42, *n* = 100

c. *p* = 0.06, *n* = 175

4. A population proportion has been estimated at 0.32. Calculate the following with a sample size of 160.

a. P[*p*_{s}≤ 0.30]

b. P[*p*_{s}>0.36]

c. P [0.29 ≤^{p}*s* ≤ 0.37]

5. A hypothetical statistics author is obsessed with making 10-foot putts. Each day that he practices, he putts 60 times and counts the number he makes. Over the ...

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