Mathematics, 28.05.2021 16:00 jayline2003
On a test that has a normal distribution, a score of 34 falls two standard
deviations below the mean, and a score of 64 falls one standard deviation
above the mean. Determine the mean of this test,
Answers: 2
Mathematics, 21.06.2019 17:10, payshencec21
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
Mathematics, 21.06.2019 21:30, GOOBER3838
80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent
Answers: 2
Mathematics, 22.06.2019 03:00, jdkrisdaimcc11
Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old
Answers: 2
On a test that has a normal distribution, a score of 34 falls two standard
deviations below the mea...
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