subject
Mathematics, 21.05.2020 23:05 tyryceschnitker

A recent national survey found that parents read an average (mean) of 10 books per month to their children under five years old. The population standard deviation is 5. The distribution of books read per month follows the normal distribution. A random sample of 25 households revealed that the mean number of books read last month was 12. At the .01 significance level, can we conclude that parents read more than the average number of books to their children

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?
Answers: 2
question
Mathematics, 21.06.2019 21:00
3x + 4y = 5 x- 3y = -7 solve by substitution
Answers: 1
question
Mathematics, 22.06.2019 00:20
Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?
Answers: 1
question
Mathematics, 22.06.2019 02:40
On which number line are -3 and its opposite shown
Answers: 3
You know the right answer?
A recent national survey found that parents read an average (mean) of 10 books per month to their ch...
Questions
question
Mathematics, 19.12.2020 01:00
question
Mathematics, 19.12.2020 01:00
question
Business, 19.12.2020 01:00
question
English, 19.12.2020 01:00
question
Mathematics, 19.12.2020 01:00
question
Mathematics, 19.12.2020 01:00
question
Mathematics, 19.12.2020 01:00
Questions on the website: 13722367