Question: Please upload the answers with R code alongside explanation ( R studio is ok). Thank you! 2. Most penguin species are not sexually dimorphic. which

Please upload the answers with R code alongside explanation ( R

Please upload the answers with R code alongside explanation ( R studio is ok). Thank you!

studio is ok). Thank you! 2. Most penguin species are not sexually

2. Most penguin species are not sexually dimorphic. which means they lack obvious outward body characteristics which indicate sex. Observation of behavior or a blood test can determine Penguin sex. A penguin researcher is interested in estimating the proportion of females in a large penguin population. She takes a random sample of n : 20 penguins and determines the sex of each one using a blood test. She nds 12 males and 8 females. Let fr he the proportion of females in the population. (3) Find a point estimate of 1r. (b) Find the estimated standard deviation of your estimate. (c) Is it reasonable to compute a 95% condence interval for 1r using the normal approximation in this case? If it is possible, explain why, and make the interval. If it is not reasonable, explain why. (d) Are the data strong evidence the population proportion of females is different from 63%? Run a test at level a = .05 to nd out

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