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  3. assume that random guesses are made for seven mult

Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so...

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Question

Statistics

Assume that random guesses are made for seven multiple choicequestions on an SAT​ test, so that there are

equals ​trials, each with probability of success​ (correct)given by

p =0.45

.

Find the indicated probability for the number of correctanswers.

Find the probability that the number x of correct answers isfewer than

4

.

Answer & Explanation Solved by verified expert
4.4 Ratings (708 Votes)
Solution Number of trials n 12Probability of success p 045Since number of trials is finite probability of successremains    See Answer
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