Assume that random guesses are made 3 multiple choice questions on a test with 5 choices for each question, so that there are n=3 trials, each with probability of success (correct) given by p = 0.20. Find the probability of no correct answers.
The probability of no correct answer is __? round to 3 decimals as needed
Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes. If 9 adult smartphone user are randomly selected, find the probability that at least 6 of them use their smarphones in meetings or classes.
the probability is __? round to four decimal as needed.
Thanks in advance!
Assume that random guesses are made 3 multiple choice questions on a test with 5 choices...
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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 = 0.2. 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.) Assume that random guesses are made for 2 multiple-choice questions...
Assume that random guesses are made for 5 multiple-choice questions on a test with 5 choices for each question, so that there are n=5 trials, each with probability of success (correct) given by p= 0.20. Find the probability of no correct answers Find answer using the binomial probability table. The probability of no correct answers is _____. (Round to three decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is _______ (Round to four decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that exactly 5 of them use their smartphones in meetings or classes. The probability is (round to four decimals places as needed.)
Assume that random guesses are made for 2 multiple-choice questions on a test with 5 choices for each question, so that there are n = 2 trials, each with probability of success (correct) given by p 0.20. Find the probability of no correct answers. Click on the icon to view the binomial probability table The probability of no correct answers is _______ (Round to three decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 54 % use them in meetings or classes. If 20 adult smartphone users are randomly selected, find the probability that exactly 13 of them use their smartphones in meetings or classes. The probability is _______? (round to four decimal places)
Assume that when adults with smartphones are randomly selected, 37% use them in meetings or classes. If 5 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is _______ (Round to four decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes. The probability is _______ Round to four decimal places as needed.)
Assume that when adults with smartphones are randomly selected, 35%use them in meetings or classes. If 5 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is (round to four decimal places as needed)
Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes. The probability is _____ (Round to four decimal places as needed.)