Question: Pls help me to solve this question 1 . A researcher claims that a patient takes on the average 11.8 months to fully recover from

Pls help me to solve this question

1 . A researcher claims that a patient takes on the average 11.8 months to fully recover from a foot surgery. A random sample of 70 patients were studied and the results showed a mean of 10.5 months and a standard deviation of 3.2 months. (2) Find the probability that the average recovery time will be: i. between 10 and 12 months; ii. more than 12 months. (6 ) "Find the 95% confidence interval for estimating the average recovery period. (4) "Perform a hypothesis test at 0.05 level of significance and state the conclusion based on the test you conducted. [All work must be shown]

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