Mathematics, 27.02.2020 21:55 fionaaaa
The heights of 82 roller coasters have a mean of 280.7 feet and a population standard deviation of 59.3 feet. Find the standardized tests statistics and the corresponding p-value when the claim is that roller coasters are less than 290 feet tall. Group of answer choices
a. z-test statistic = -0.78, p-value = 0.2181
b. z-test statistic = 0.78, p-value = 0.2181
c. z-test statistic = 0.78, p-value = 0.4361
d. -test statistic = -0.78, p-value = 0.4361
Answers: 2
Mathematics, 21.06.2019 21:30, kristinashau
If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2
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Mathematics, 22.06.2019 02:30, luis173506
Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least
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The heights of 82 roller coasters have a mean of 280.7 feet and a population standard deviation of 5...
Mathematics, 16.11.2019 06:31
Mathematics, 16.11.2019 06:31