Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. If convenient, use the appropriate probability table or technology to find the probabilities. The mean number of births per minute in a country in a recent year was about four. Find the probability that the number of births in any given minute is (a) exactly six, (b) at least six, and (c) more than six. (a) P(exactly six) = (Round to four decimal places as needed.) (b) P(at least six) = (Round to four decimal places as needed.) (c) P(more than six) = (Round to four decimal places as needed.) Which of the events are unusual? Select all that apply. O A. The event in part (a) is unusual. OB. The event in part (b) is unusual. O c. The event in part (c) is unusual. OD. None of the events are unusual.
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. If convenient, use the appropriate probability table or technology to find the probabilities. The mean number of births per minute in a country in a recent year was about four. Find the probability that the number of births in any given minute is (a) exactly six, (b) at least six, and (c) more than six. (a) P(exactly six) = (Round to four decimal places as needed.) (b) P(at least six) = (Round to four decimal places as needed.) (c) P(more than six) = (Round to four decimal places as needed.) Which of the events are unusual? Select all that apply. O A. The event in part (a) is unusual. OB. The event in part (b) is unusual. O c. The event in part (c) is unusual. OD. None of the events are unusual.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Transcribed Image Text:Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. If convenient, use the appropriate probability table or technology to find the probabilities.
The mean number of births per minute in a country in a recent year was about four. Find the probability that the number of births in any given minute is (a) exactly six, (b) at least six, and (c) more than six.
(a) P(exactly six) =||
(Round to four decimal places as needed.)
(b) P(at least six) =|
(Round to four decimal places as needed.)
(c) P(more than six) =|
(Round to four decimal places as needed.)
Which of the events are unusual? Select all that apply.
A. The event in part (a) is unusual.
B. The event in part (b) is unusual.
O C. The event in part (c) is unusual.
O D. None of the events are unusual.
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