The app will only let me give one photo at a time, so here's part 1.
Answer:
4 i think, sorry if incorrect
Step-by-step explanation:
Answer: a) The probability is approximately = 0.5793
b) The probability is approximately=0.8810
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
a) The formula for z -score :

Sample size = 1
For x= 63 in. ,

The p-value = 

Thus, the probability is approximately = 0.5793
b) Sample size = 35
For x= 63 ,

The p-value = 

Thus , the probability is approximately=0.8810.
Answer:
B is the awnser
Step-by-step explanation:
Answer:
I don't really understand this question
Step-by-step explanation:
I don't really understand this question