I am struggle with a few questions from "Sampling Distribution and the CLT" and "The Normal Distribution" topic. Please help me to figure it out. Thank you so much!

Question 2 1 pts The mean amount of time it takes a kidney stone to pass is 14 days and the standard deviation is 6 days. Suppose that one individual is randomly chosen. Let X=time to pass the kidney stone. Round all answers to two decimal places. A. X ~ N( 14 B. Find the probability that a randomly selected person with a kidney stone will take longer than 21 days to pass it. C. Find the minimum number for the upper quarter of the time to pass a kidney stone. days. Helpful videos:P(x a number) , P(x is between two numbers) & , Finding a percentile , Using the invNormal with greater than problems & , Finding the IQR Hint Textbook PagesQuestion 21 0.5 pts Suppose that the hibernation time for black bears is normally distributed with mean 150 days and standard deviation 30 days. 12 randomly selected black bears are monitored. Round all answers to two decimal places. A. X ~ N( 150 8.66 B. For the 12 black bears, find the probability that the average hibernation time is more than 170 days. 0.01 C. What is the probability that one randomly selected black bear will hibernate longer than 170 days? 0.25 D. Find the IQR for the average of 12 bears. Q1 = 144.15 Q3 = 155.85 IQR: 11.69 Some Helpful Videos: Finding the Sampling Distribution , Finding a Probability Using the Central Limit Theorem e , Finding a Sample Mean Given its Percentile Hint Textbook PagesQuestion 5 0.5 pts If a population has a mean of 220.0 and a standard deviation of 43.9 then a sampling distribution for a sample of size 48 will have a mean of Question 6 1 pts If a population has a mean of 169.4 and a standard deviation of 96.4 then a sampling distribution for a sample of size 58 will have a standard deviation of _ __. Write your answer accurate to 4 decimal places. Question 7 0.5 pts If a population has a mean of 63.2 and a standard deviation of 58. Consider a sampling distribution for a sample of size 34. If the mean of a sample is 58.51, then it will have a z-score of ____ in the sampling distribution. Write your answer accurate to 4 decimal places.Question 9 1 pts If x is a random variable with a general normal distribution and if a is a positive number and if P(x > a) = 0.24, then P(x