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In a sample of 1000 U.S. adults, 150 said they are very confident in the nutritional information on restaurant menus. Four U.S. adults are selected at random without replacement.
(a) Find the probability that all four adults are very confident in the nutritional information on restaurant menus.
(b) Find the probability that none of the four adults are very confident in the nutritional information on restaurant menus.
(c) Find the probability that at least one of the four adults is very confident in the nutritional information on restaurant menus.
(d) Which of the events can be considered unusual? Explain.
In a sample of 1000 U.S. adults, 150 said they are very confident in the nutritional information on restaurant menus. Four U.S. adults are selected at random without replacement.
(a) Find the probability that all four adults are very confident in the nutritional information on restaurant menus.
(b) Find the probability that none of the four adults are very confident in the nutritional information on restaurant menus.
(c) Find the probability that at least one of the four adults is very confident in the nutritional information on restaurant menus.
(d) Which of the events can be considered unusual? Explain.
qamarmalik3098Lv10
31 May 2023
Karol A.Lv10
30 Mar 2021
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