In a large business statistics class, the professor has each person select stocks by using computer-generated random numbers. the stocks were from a journal in which exactly half the publicly traded stocks went up and half went down. the students then check to see whether their stock rose or tell the next day and report their proportion of "successes". complete parts (a) through (d) below. a) the students use computer-generated random numbers to choose 16 stocks ea h. use the 68-95-99.7 rule to describe the sampling distribution model about 68% should have proportions between and about 95% between and and about 99.7% between and (type integers or decimals.)

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

On saturday a souvenir shop had 125 customers. sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.