Assume that a procedure yields a binomial distribution with a trial repeated n = 13 times. Use either the calculator Binomial distribution or else the binomial probability formula (or a technology like Excel or StatDisk). Find the probability of k = 7 successes given the probability p = 0.41 of success on a single trial. (Report answer accurate to 4 decimal places.)
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Step 1
Step 1: Calculate the combination 13 C 7: \[13 C 7 = \frac{13!}{7! \times (13-7)!}\] \[= \frac{13 \times 12 \times 11 \times 10 \times 9 \times 8}{7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}\] \[= 1716\] Show more…
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