Exam scores in a large class are normally distributed with a mean of 60 and standard deviation of 10. The teacher decides to boost the scores by
multiplying everyone's score by 1.2
The model for the new scores will be:

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

What is the value of r of the geometric series?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac