Atennis player makes a successful first serve 51% of the time. if she serves 9 times, what is the probability that she gets exactly 3 successful first serves in? assume that each serve is independent of the others.

0.154

Explanation:

Given

Probability of success p=0.51

Probability of failure q=0.49

She serves 9 times out which she gets exactly 3 successful first serves in

Using binomial distribution to find Probability of exactly r successful attempts out of n is given by

For r=3 and n=9

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

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