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Sedbober [7]
3 years ago
6

100 points

Mathematics
2 answers:
vredina [299]3 years ago
7 0

a) For every 1 point, Yehudi wins 0.35 points.

Thus, for 15 points, Yehudi will win $15 \times 0.35= 5.25$ points.

b) You know what to do :)

Ymorist [56]3 years ago
6 0

When you repeat the same experiment over and over, and all experiments are independent, you are following a Bernoulli distribution. If you perform n experiments, and you have probability of succeeding p for each experiment, the expected number of successes is

\mathbb{E}(X)=np

In your case, you perform 15 experiments, with a probability of success of 0.35 per experiment. So, we expect

np=15\cdot 0.35=5.25

Since 10 is about twice the number of expected points, it would be very surprising.

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