The life expectancy of a Chihuahua has a mean of 15.9 years and a standard deviation of 1.3 years.. a) Can you find the probability an individual Chihuahua has a life expectancy less than 13.8 years? Why or why not? OA. No, the population is not given as normally distributed.
B. Yes, the population is given as normally distributed.
C. No, it is not normally distributed. OD. Yes, the sample size is more than 30. b) What is the sampling distribution of the estimator if 22 Chihuahuas are randomly selected? -0.0 (Round to 4 decimal places as needed