A fair coin is tossed three times. What is the probability of obtaining at least two tails? Solution:- P(2 tails or more) =
Category: probability
Problem 773
A fair coin is tossed four times. What is the probability of obtaining at least three tails? Solution:- P(3 tails or more) =
Problem 772
What proportion of the following sample of ten measurements lies within 1 standard deviation of the mean? Within 2 standard deviations ? Within 3 standard deviations? 2 ,4 ,1,2,2,4,3,5,2,3 …
Problem 771
Compute the odds in favor of obtaining a number divisible by 2 in a single roll of a die. Solution:- The odds in favor are 1 to 1.…
Problem 770
Compute the odds in favor of obtaining a number divisible by 2 or 3 in a single roll of a die. Solution:- The odds in favor are 2…
Problem 768
A 4-person grievance committee is to be selected out of 2 departments, A and B, with 18 and 23 people, respectively. In how many ways can the following committees to…
Problem 767
An electronics store receives a shipment of 20 graphing calculators, including 7 that are defective. Four of the calculators are selected to be sent to a local high school. a.…
Problem 766
Management selection . A corporation plans to fill 2 different positions for vice-president ,x and y, for administration officers in 2 of its manufacturing plants. Plants A has 8 officers…
Problem 750
A 6-side die is rolled. Find P (3 or 5). Solution:-
Problem 749
Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers. Solution:-…
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