Assume that random guesses are made for ninemultiple choice questions on an SAT​ test, so that there are n=9​trials, each with probability of success​ (correct) given by p=0.4Find the indicated probability for the number of correct answers.   Find the probability that the number x of correct answers is fewer than 4.

Question
Assume that random guesses are made for nine
multiple choice questions on an SAT​ test, so that there are n=9
​trials, each with probability of success​ (correct) given by p=0.4
Find the indicated probability for the number of correct answers.
 
Find the probability that the number x of correct answers is fewer than
4.

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