What is the number of trials n probability of successes p

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Mimi just started her tennis class three weeks ago. On average, she is able to return 15% of her opponent's serves. Let random number X be the number of serves Mimi returns. As we know, the distribution of X is a binomial probability distribution. If her opponent serves 10 times, please answer the following questions:

What is the number of trials (n), probability of successes (p) and probability of failures (q), respectively?

Find the probability that she returns at least 2 of the 10 serves from her opponent.

Find the mean and standard deviation for the probability distribution.

Reference no: EM13612247

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