Briefly explain how increasing sample size influences each of the following. assume that all other factors are held constant. a. the size of the z-score in a hypothesis test. b. the size of cohen’s d. c. the power of a hypothesis test.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base