Which of the following is not a condition for constructing confidence intervals?

A. Need a simple random sample - SRS.

B. Population must be normal or n30.

C. The standard deviation must exceed 4.

Factor completely. a2 + 28 a + 27

A $20 decrease followed by a $20 increase is it greater than original less than original same as original

In the equation 25,000,000 - x/25,000,000 = 0.6, what is the value of x?

Find the next 3 terms in the sequence:30,22,14,6 A.-3,-12,-21 B.-1,-8,-15 C.-1,-2,3 D.-2,-10,-18

Is the outlier if 23, 68, 30, 25, 23, and 29?

What are three types of irrational numbers?

What is the number that has the same absolute value as 81

Write the principal square root of the integers between 320 325. Which of these is a rational?

Suppose Johnny invests $2,745 into an account, which has been earning interest for many years and he now has a total of $39,974.

The function below can be used to calculate the cost of making a long distance call, f (m), which is based on a $2.50 initial charge and a fee of $.12 per minute, m, that the call lasts. If Natalie paid $6.