Find the value of the trigonometric ratio. Reduce the fraction when you can.
sin Z

$Find the value of the trigonometric ratio. Reduce the fraction when you can. sin Z$

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Ответ:

cp838761

19.11.2021

Mathematics

the probability is 0.1879

Step-by-step explanation:

If a procedure yields a binomial distribution, the probability of having k successes is given by:

$P(k)=nCk*p^{k} *(1-p)^{n-k}$

Where nCk is calculated as:

$nCk=\frac{n!}{k!(n-k)!}$

Additionally, n is the number of trials and p is the probability of success in every trial.

Replacing, k by 14, n by 20 and p by 0.72 we get:

$20C14=\frac{20!}{14!(20-14)!}=38,760$

$P(k)=20C14*0.72^{14} *(1-0.72)^{20-14}$

$P(k)=38,760*0.72^{14} *(1-0.72)^{20-14}\\P(k)=0.1879$

So, the probability is 0.1879

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