Suppose you record 83 successes out of a random sample of 200 drawn from a population that yielded a proportion of successes of .40 in a previous study.

if you were to calculate a standardized test statistic for a hypothesis test about the population proportion, where h subscript 0 : p subscript 0 equals.40, what would your standard deviation of p with hat on top look like?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.