In a local hospital, there are 16 knee surgeries performed e…

In a local hospital, there are 16 knee surgeries performed every day. From past data, it’s known that 92% of knee surgeries are successful. Find the probability that at least 12 knee surgeries are successful on a given day. Round your answer to 3 decimal places.

A researcher in psychology and biobehavioral health, claims…

A researcher in psychology and biobehavioral health, claims that city residents and residents of rural areas differ in how appealing they find owning a cat (i.e. they are a “cat person”). A random sample of 100 people who live in a city were surveyed and 51 identified themselves as a “cat person.” (consider this sample 1) A random sample of 85 people who live in the surrounding rural area were selected and 32 identified themselves as a “cat person.” (consider this sample 2) Conduct an appropriate hypothesis test at the 0.05 significance level to test the researcher’s claim.  a) Find the test statistic (round to 3 decimal places) [statistic]b) Find the p-value (round to 3 decimal places) [pvalue]c) Come to a decision regarding the claim [decision]