Normal mu 604 sigma 255 xi P(X<=xi) 191 0.0527 312 0.1261 577 0.4578 731 0.6908
ID: 3074535 • Letter: N
Question
Normal
mu
604
sigma
255
xi
P(X<=xi)
191
0.0527
312
0.1261
577
0.4578
731
0.6908
799
0.7778
929
0.8988
P(X<=xi)
xi
0.06
207.5327
0.09
262.1075
0.23
415.5941
0.28
455.3754
0.44
565.5029
0.77
792.4059
0.91
945.8925
Use the cumulative normal probability excel output above (dealing with the amount of money parents spend per child on back-to-school items) to answer the following question.
The probability is 0.91 that the amount spent on a randomly selected child is at most what value (in $)?
Normal
mu
604
sigma
255
xi
P(X<=xi)
191
0.0527
312
0.1261
577
0.4578
731
0.6908
799
0.7778
929
0.8988
P(X<=xi)
xi
0.06
207.5327
0.09
262.1075
0.23
415.5941
0.28
455.3754
0.44
565.5029
0.77
792.4059
0.91
945.8925
Explanation / Answer
from above output from cumulative probability P(X<=xi) ; corresponding amount to 0.91 probability amount is 945.8925
probability is 0.91 that the amount spent on a randomly selected child is at most $ 945.8925
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.