subject
Mathematics, 23.03.2021 23:30 cowgyrlup124

According to the latest internet usage survey of college students, the amount of time spent on social media per day is normally distributed with a mean equal to 210 minutes and a standard deviation of 45 minutes. Based on this survey, find the probability that the amount of time spent on
social media by college students is more than 240 minutes per day. Round answer to 4 decimal places.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4
Answers: 2
question
Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
question
Mathematics, 21.06.2019 23:30
Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75
Answers: 1
question
Mathematics, 22.06.2019 01:50
If jklm is a trapezoid, which statements must be true?
Answers: 1
You know the right answer?
According to the latest internet usage survey of college students, the amount of time spent on socia...
Questions
question
Mathematics, 08.04.2021 19:20
question
Mathematics, 08.04.2021 19:20
question
Mathematics, 08.04.2021 19:20