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allsm [11]
3 years ago
12

If the probability that the Islanders will beat the Rangers in a game is 2/7, what is the probability that the Islanders will wi

n exactly zero out of six games in a series against the Rangers? Round your answer to the nearest thousandth.
Mathematics
1 answer:
Helga [31]3 years ago
5 0

0.1328 is the probability that the Islanders will win exactly zero out of six games in a series against the Rangers.

<u>Step-by-step explanation:</u>

Given data is that probability the islanders will beat the rangers in a game is \frac{2}{7}.

So, probability that the islanders will not beat the rangers in the game is = 1-\frac{2}{7}=\frac{5}{7}

Let, x be the favorable outcome as,

x = no. of times islanders win the game

Probability of success (p) =  \frac{2}{7}

Probability of failure (q) = \frac{5}{7}

So, the probability of x would be,

                      x = n C_{r} \times(p)^{r} \times(q)^{n-r}

                     P(x=0) = 6 C_{0} \times\left(\frac{2}{7}\right)^{0} \times\left(\frac{5}{7}\right)^{6}

                      P(x=0) = 1 \times 1 \times \frac{(15625)}{117649} = 0.13281

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