Please complete #3 : Find the indicated probability. Please complete #9 A B) D)

Question

Please complete #3 : Find the indicated probability.

Please complete #9

A B) D) he question, considering an event to be "unusual" if its probability is less than or equal to 0.05 Assume that Andrea Henderson did a study of 300 randomly selected musical compositions and it showed that 280 contained an E-Flat. Is it '"unusual" for a musical composition to cotain an F-Flat? A) Yes B) No e indicated probability. 3) The data set represents the income of potential gardening jobs that Kathryn Cook is interested in applying for Find the probability that a randomly selected job has a potential income of at least $91,000. Round your answers to the nearest tenth. 101,000 111,000 89,000 116,000 90,000 101,000 91,000 87,000 126,000 151,000 88,000 96,000 121,000 90,000 111,000 106,000 91,000 131,000 86,00 106,000 mate the probability of the event. 4 Johnny Flores was hired to estimate the likelihood that the guests at his friend's wedding would want a photo booth and obtained the set of survey responses to make his estimate. The encoding system for the data is: 1- FOR,2 AGAINST. If the wedding were held today, estimate the probability that people were FOR having a photo booth at the wedding. B-1

Explanation / Answer

9) here as there are total 39+24=63 tractors from where sample of 4 has been taken

hence probability that all 4 are defective =P(1st one defective)*P(2nd defective)*P(3rd defective)*P(4th defective)

=(39/63)*(38/62)*(37/61)*(36/60)=0.1381

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