Let x be a random variable that possesses a binomial distribution with p=0.5 and n=9. Using...

Let x be a random variable that possesses a binomial distribution with p=0.5 and n=9. Using the binomial formula or tables, calculate the following probabilities. Also calculate the mean and standard deviation of the distribution. Round solutions to four decimal places, if necessary.

P(x≥3)=

P(x≤8)=

P(x=5)=

μ=

σ=

Solutions

Expert Solution

# mean = 0.5*9 = 4.5

s.d. = √0.5*0.5*9 = 1.5

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orchestra answered 1 year ago

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Let x be a random variable that possesses a binomial distribution with p=0.5 and n=9. Using...

Solutions

Expert Solution

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