Mathematics, 18.11.2019 22:31, emblemhacks
Arecent 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? what is the probability of a type ii error?
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Mathematics, 21.06.2019 14:50, 2022vaneeanika51
S-7< 3 i need answering this problem someone asap answer
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Mathematics, 21.06.2019 17:00, themajesty9898
Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
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Mathematics, 21.06.2019 18:30, rachel2735
Can someone check if i did this right since i really want to make sure itβs correct. if you do you so much
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