Mathematics, 08.07.2021 03:40 aalyyy
M&M's candies are 16% green. If we took a lot of samples, each with 100 M&M's, we'd expect about 16 greens in each sample. The distribution of the number of green M&M's is normal, with mean 16 and standard deviation 3.7.
a) What's the probability a sample has 18 or more green M&Ms?
b) What's the probability a sample has 15 or fewer green M&Ms?
c) What number of green M&Ms are in the samples with the lowest 20% of greens?
Answers: 2
Mathematics, 21.06.2019 16:30
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Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Mathematics, 21.06.2019 23:40
Me d is also an option but i couldn't get it in the picture
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