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To increase sales, an online clothing store began giving a 50% off coupon to random customers Six customers each made purchases from the website the binomial random variable and mean and standard deviation of X is mathematically given as
x= 0.9798
<h3>What is a binomial random variable?</h3>
Generally, the equation for is mathematically given as
P(coupon) = 1/5
P(coupon)= 0.2
the binomial distribution
Therefore, The mean and standard deviation of X
x= 0.9798
In conclusion, mean and standard deviation of X
x= 0.9798
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