Mathematics, 10.10.2019 04:00 zee786
in a sample of 100 households, the mean number of hours spent on social networking sites during the month of january was 50 hours. in a much larger study, the standard deviation was determined to be 6 hours. assume the population standard deviation is the same. what is the 98% confidence interval for the mean hours devoted to social networking in january? a. the 98% confidence interval ranges from 6 to 50 hours.
b. the 98% confidence interval ranges from 48.60 to 51.40 hours.
c. the 98% confidence interval ranges from 49.40 to 50.60 hours.
d. the 98% confidence interval ranges from 50 to 52 hours.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 22:00
Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120
Answers: 3
Mathematics, 21.06.2019 22:20
Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)
Answers: 2
Mathematics, 22.06.2019 00:00
Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start
Answers: 1
Mathematics, 22.06.2019 00:10
Of f(x) is byof f(x)=-3|x| x-.f(x)? a )f(x)=3|x| b) f(x)=|x+3| c) f(x)= -3|x| d) f(x)= -|x+3|
Answers: 2
You know the right answer?
in a sample of 100 households, the mean number of hours spent on social networking sites during the...
Questions
Chemistry, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
SAT, 12.12.2021 01:40
Spanish, 12.12.2021 01:40
English, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
Mathematics, 12.12.2021 01:40
