Entries by Grace Wahito

A doctor gives a patient a 90% chance of surviving bypass surgery after a heart attack

A doctor gives a patient a 90% chance of surviving bypass surgery after a heart attack. If the patient survives the surgery, then the patient has a  30% chance that the heart damage will heal. Find the probability that the patient survives the surgery and the heart damage heals. The probability is?   Looking for a […]

 

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Use the frequency distribution to the right, which shows the number of voters (in millions)

Question Use the frequency distribution to the right, which shows the number of voters (in millions) according to age, to find the probability that a voter chosen at random is in the given age range. not between 25 and 34 years old          Ages of voters             Frequency Copy to Clipboard+Open in Excel+18 to 20             7.621 to 24             9.825 to 34             22.135 […]

 

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Find the indicated probabilities using the geometric distribution

Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. If convenient, use the appropriate probability table or technology to find the probabilities. Assume the probability that you will make a sale on any given telephone call is 0.17. Find the probability that you […]

 

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