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.

the area of a square can be represented by the expression X to the 10th. Which my normal represents the side of the square?

Which of the x values are solutions to the inequality 4 (2 - x) > - 2x - 3 (4x + 1) ? Check all that apply. A x = - 1.1 B x = - 2.2 C x = 0 D x=-10 E x = 10

Farrah's goal is to use 281 gallons of water or less per day at her business. Her water bill showed that 4,497 gallons were used in a 16-day period. Did Farrah meet her goal? Explain how you decided.

What does it mean to say that. The amount of money from the previous month is quaddrupled

A bag contains four red cards numbered 1 through 4, four white cards numbered 1 through 4, and four black cards numbered 1 through 4. You choose a card at random.

The wildflowers at a national park have been decreasing in numbers. There were 300 wildflowers in the first year that the park started tracking them. Since then, there have been one fourth as many new flowers each year.

What percent is equal to 1/5 A 5% B. 15% c. 20% D. 25%

If f (x) = x^2 - 1 and g (x) = 2x - 3, what is the domain of (fog) (x) ? (-infinity, infinity) [-1, infinity) [-5, infinity) (infinity,-infinity)

What term references a period of economic growth measured by a rise in the GDP?

Write an explicit formula formula for the sequence 2, 8, 14, 20, 26, ... a. a_n = 2n-2 b. a_n = 2n+2 c. a_n=4n+2 d. a_n = 6n-4