Mathematics, 25.10.2021 14:00 sissy11145
I need a full explanation and solving step by step. Please.
Assume that random guesses are made for SEVEN multiple-choice questions on an SAT test so that there are N = 7 trials, each with a probability of success (correct) given by p. Find the indicated probability for the number of correct answers.
Find the probability that the number x of correct answers is fewer than 4.
P (X < 4) =
(Round to four decimal places as needed.)
Answers: 2
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Assume that random guesses are made fo...
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