Suppose we select a simple random sample of size n = 250 from a large population with a proportion p of successes. Let p-hat be the proportion of successes in the sample. For which value of p is it appropriate to use the Normal approximation for the sampling distribution of p-hat?

a. 0.03

b. 0.15

c. 0.02

d. 0.97

e. 0.99

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

What is the length and width of a 84.5 square foot rug? will mark