Mathematics, 23.10.2019 20:10 emilypzamora11
The popping-times of the kernels in a certain brand of microwave popcorn are normally distributed with a mean of 150 seconds and a standard deviation of 11 seconds.
the first kernel pops 126 seconds after the microwave oven is started. what is the z-score of this kernel?
also what in the world is a z-score?
Answers: 2
Mathematics, 21.06.2019 15:50
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.
Answers: 2
Mathematics, 21.06.2019 17:00
The ratio of rock songs to dance songs on jonathanās mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
Answers: 2
The popping-times of the kernels in a certain brand of microwave popcorn are normally distributed wi...
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