The mean and standard deviation of the scores are 75 and 9.5 respectively.
The z-score is a means to find the probability of getting a particular score. This is calculated to be:
where x is the score, μ is the mean, and σ is the standard deviation.
To be a part of the top 2.5 percent, the probability is:
The z-score for this probability, that is, P
Answer:
-13/8
Step-by-step explanation:
u divied by -8 to get n by itself
In the process of laying out the question, you have given us important facts about the shaded area and the unshaded area. Now step back for just a second. If they're that deeply involved in the question, do you honestly expect that anybody can answer the question without seeing the picture of them ? ! ?
Answer:
1.23
2.60
3.45
4.37.524 (Im not incredibly posotive ab this one)
5.28
Step-by-step explanation:
278 divided by 59 is 4.712, which can be rounded to 5
the answer is d. 5
