Mathematics, 20.01.2021 07:10 2016gbryant
Thirty percent of students graduate from high school before they reach the age of 18. In a random
sample of 16 high-school graduates, what is the probability that: [Hint: Use binomial table]
30%
sample : 16
(3 marks)
a. More than 10 of them graduated before they were 18 years old?
(3 marks)
b. At most 4 of them graduated before they were 18?
(3 marks)
c. Fewer than 7 of them graduated after they turned 18?
(2 marks)
d. Would the binomial probability distribution representing the sample in Question 4a be skewed?
If yes, in what direction? Describe the shape of the distribution in context of the study.
Answers: 1
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Answers: 1
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Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?
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Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b
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Thirty percent of students graduate from high school before they reach the age of 18. In a random
s...
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