What is the fraction of the items are round

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

How much orange juice do you need to make 2 servings of lemony orange slush?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.