Mathematics

24 November, 20:49

In a research sample of high school students, the variable "number of Instagram followers" formed normal distribution with a mean of 45 and a standard deviation of 16. If the research sample contained 500 students, approximately how many had 21 or fewer friends?

A) 7

B) 467

C) 21

D) 33

+2

Answers (1)

Know the Answer?

Not Sure About the Answer?

Find an answer to your question 👍 “In a research sample of high school students, the variable "number of Instagram followers" formed normal distribution with a mean of 45 and ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.

Search for Other Answers

You Might be Interested in

Which is greater 8 cups or 1 quart

Marty is spending money at the average rate of $3 per day. After 14 days he has $68 left. a) Write the equation to model this situation, where x is the number of days. b) Use the equation to determine how much money Marty had two weeks ago.

What order does 1/8, - 0.025,0.2, and - 1/7 go?

Round 45.35 to nearest whole number

List the intercepts and type (s) of symmetry, if any. 16x2 + 4y2 = 64

New Questions in Mathematics

How do you explain how to find the volume of a cylinder

A house was haunted by a combined total of 51 ghosts, goblins and ghouls. On Friday, there were half as many ghosts as there were goblins. On Saturday, two-thirds of the ghouls each became a ghost.

Which of the following are true about regression with one predictor variable (often called "simple regression") ? A.

15 multiplied by 1/5

Write a number with the digit 8 in the tens place