Probability & Statistics subjective final

Welcome to your BS Computer Paper

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Using the binomial distribution, find probability of 5 successes in 7 trials, when p=0.65

A call center receives an average of 4.5 calls every 5 minutes. What is the chance that in next 5 minutes call center receives only one call

A BS Class has IQ scores with mean = 100 and SD = 15. If a student of this class has an IQ of 125, what percentage of students have higher IQs than him/her?

Find mean and variance of exponential distribution