A95% confidence interval for a population mean is computed from a sample of size 400. another 95% confidence interval will be computed from a sample of size 100 drawn from the same population. choose the best answer to fill in the blank: the interval from the sample of size 400 will be approximately as the interval from the sample of size 100.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°