subject
Mathematics, 31.05.2020 20:58 alanmarcus22

Plz helpp. In a high school with 5,000 students, the number of text messages sent by each student during a particular month was recorded. The mean number of text messages sent during the month was 55 per student.

If the data was normally distributed, and if the standard deviation of the data was 4 text messages, which of these is the BEST estimate for the number of students who sent fewer than 51 text messages during the month?

A) 800

B) 1,200

C) 1,600

D) 1,700
p. s i already did it and its a)800

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the
Answers: 3
question
Mathematics, 21.06.2019 19:30
Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2
Answers: 2
question
Mathematics, 21.06.2019 20:30
1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6
Answers: 1
question
Mathematics, 22.06.2019 05:00
Mr. barth is painting an arrow on the school parking lot. he plots the arrow on the coordinate plane as shown below. what is the area of the arrow he is painting?
Answers: 1
You know the right answer?
Plz helpp. In a high school with 5,000 students, the number of text messages sent by each student du...
Questions
question
Mathematics, 20.04.2020 10:24
question
Medicine, 20.04.2020 10:24
question
Mathematics, 20.04.2020 10:24
question
Biology, 20.04.2020 10:24
question
English, 20.04.2020 10:24
question
Mathematics, 20.04.2020 10:24
question
Mathematics, 20.04.2020 10:24
question
History, 20.04.2020 10:25
question
History, 20.04.2020 10:26
Questions on the website: 13722362