In a certain normal distribution of scores, the mean is 40 and the standard deviation is 3. find the  z-score corresponding to a score of 54.
a.
4.67
c.
–4.67
b.
18.0
d.
13.33
 

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Can you me find the slope! (30 points)