A population has a standard deviation of 5.5. What is the standard error of the sampling distribution if the sample size is 64? Round your answer to two decimal places. A) 0.69
B) 0.79
C) 0.92
D) 0.61

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have