Mathematics, 10.01.2020 06:31 cdeanrn8971
Asample of 250 adults tried the new multigrain cereal "wow! " a total of 187 rated it as excellent. in a sample of 100 children, 66 rated it as excellent. using the 0.1 significance level, the researcher wishes to show that adults like the cereal better than children. what is the pooled proportion?
(a) 0.723
(b) 1.408
(c) 0.494
(d) 0.807
Answers: 3
Mathematics, 21.06.2019 17:10
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
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Mathematics, 21.06.2019 18:40
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Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation
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This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer
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Asample of 250 adults tried the new multigrain cereal "wow! " a total of 187 rated it as excellent....
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