How can we answer the following? 17) For 6-year-old children, the mean weight is 64.23 pounds with a standard deviation of4.21 pounds. Convert the following observations into z scores:a) 56.47b) 71.20c) 59.24d) 68.99e) 6503.0018) Using the standard normal table, answer the following questions.a) What is the area of proportion below a z score of -.89?b) What is the area of proportion between the mean and a z score of -1.73?c) What is the area of proportion between the mean and a z score of .09?d) What is the area of proportion above a z score of 2.04?9) Based on the mean and standard deviation given to you in question 17, whatyear-olds have a weight between the mean and 75.21 pounds?percentD) Explain what the following means: "the null hypothesis is deemed true until provenfalse." Why is this the case?

Question

How can we answer the following? 17) For 6-year-old children, the mean weight is 64.23 pounds with a standard deviation of4.21 pounds. Convert the following observations into z scores:a) 56.47b) 71.20c) 59.24d) 68.99e) 6503.0018) Using the standard normal table, answer the following questions.a) What is the area of proportion below a z score of -.89?b) What is the area of proportion between the mean and a z score of -1.73?c) What is the area of proportion between the mean and a z score of .09?d) What is the area of proportion above a z score of 2.04?9) Based on the mean and standard deviation given to you in question 17, whatyear-olds have a weight between the mean and 75.21 pounds?percentD) Explain what the following means: &#34;the null hypothesis is deemed true until provenfalse.&#34; Why is this the case?

Accepted Answer

Given:μ = population mean = 64.23σ = population standard deviation = 4.21 We can convert values or…