1. Generate all single-digit counting numbers. Values should not be repeating. Sort these numbers in ascending order.

2. Suppose again that Y is a normally distributed random variable with mu = 10 and sigma = 2. The probability that Y will assume a value between 7 and 14 is Blank 1%

• Round-off to two decimal places. Format: XX.XX%

3. A random sample of 25 with a mean of 100 and a standard deviation of 25 is taken from a population of 1,000. The 95 % confidence interval for the unknown population is

1. upper interval: Blank 1
2. lower interval: Blank 2
3. CL: Blank 3%. Format XX%

4. T-distribution

Given n=9, Xbar=5, s=1, 0.5% of the area of each tail. Find the confidence interval for the unknown mean.

• upper interval: Blank 1
• lower interval: Blank 2
• CL:Blank 3% Format XX%