A random sample of 25 statistics examinations was taken. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is _____________. (Z value is 2.576.)Refer to the following formula.σx = σnz = x-μσxStandard Error = σnMargin of Error = zα/2 * σnConfidence Interval = x ± zα/2*σn

The sample mean is the point estimator of _______________.

In tests about a population proportion, p0 represents the __________________________________.

Which of the following is not one of the types of writing SIDs must be able to do?

A signal marketing mix can satisfy everyone. Therefore, separate marketing mixes should not be used for different marketing segments. 

Solve the equation.-2(x + 1) + 4 = 5 – 3x

Solve the equation for the indicated variable.V = Ahfor A

Insert , or = between the pair of numbers to form a true statement.455.030 _____ 455.003

Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.A company increased the number of its employees from 380 to 415. What was the percent increase in employees?

Translate to a proportion and solve. Round to the nearest hundredth, if necessary.0.7 is 10% of what number?