(answer both parts) The Internal Revenue Service estimates that 8% of all taxpayers filling out long forms make mistakes.IRS Employee A randomly selects and checks 10 forms for mistakes. let x=the number of forms out of 10 that have a mistake. a what probability distribution does X have? justify your answer B what is the probability find the exact one error C calculate and interpret the mean and standard deviation of X. IRS employee R decides to randomly select and check completed forms for mistakes. Let Y= The number of forms she chcekcs until she finds a mistake. d what probability distribution does Y have to JUSTIFY YOUR ANSWER E what is the probability that the employees finds the first mistake on the 9th form? F what is the probability that the employee has to check more than 12 forms to find a mistake
(answer both parts)
The Internal Revenue Service estimates that 8% of all taxpayers filling out long forms make mistakes.IRS Employee A randomly selects and checks 10 forms for mistakes. let x=the number of forms out of 10 that have a mistake.
a what probability distribution does X have? justify your answer
B what is the probability find the exact one error
C calculate and interpret the mean and standard deviation of X.
IRS employee R decides to randomly select and check completed forms for mistakes. Let Y= The number of forms she chcekcs until she finds a mistake.
d what probability distribution does Y have to JUSTIFY YOUR ANSWER
E what is the probability that the employees finds the first mistake on the 9th form?
F what is the probability that the employee has to check more than 12 forms to find a mistake
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