Aman invests $2600 in 3 accounts that pay 6%,7%, and 8% in annual interest, respectively. he has 2 times as much invested at 8% than he does at 6%. if his total interest for the year is $188, how much is invested at each rate?

Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?