Answer:
Tickets * cost - 10
Step-by-step explanation:
5*cost-10
Answer:
the answer for this question is 0.713333333333
Answer:
640
Step-by-step explanation:
you just divide
Answer:
w=7.
Step-by-step explanation:
Divide 7 on both sides of the equation.
Correct Answer:Option A. 0.01
Solution:This is a problem of statistics and uses the concept of normal distributions. We need to convert the score of 90 into z-score and then find the desired probability from standard normal distribution table.
Converting 90 to z-score:

Now we are to find the probability of z score being more than 2.33. From the z-table the probability comes out to be 0.01.
Therefore, we can conclude that the probability of class average is greater than 90 is 0.01.