Mathematics, 29.10.2020 18:00 rubimachuca1020
Twenty employees have applied for promotions. This year 7 promotions were awarded. If a random sample of 5 applications was selected.
a. What is the probability that at most 2 employees were promoted?
b. What is the probability that no employees were promoted?
c. Find the value of the expected value and the variance of this distribution.
Answers: 3
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Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin
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In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog
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The range of the following relation r {(3, -5), (1, 2), (-1, -4), (-1, 2)} is (1 point){-4, -5, 2, 2){-1, 1, 3){-1,-1,1,3){-5, -4,2)
Answers: 1
Twenty employees have applied for promotions. This year 7 promotions were awarded. If a random sampl...
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