80*30% = 24. There are 24 water-related rides in the park
Answer:
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Answer:
a) Option C) The score was 2.49 standard deviations higher than the mean score in the class.
b) 2.3%
Step-by-step explanation:
a) We are given that the distribution of test grades is a bell shaped distribution that is a normal distribution.
Formula:


Option C) The score was 2.49 standard deviations higher than the mean score in the class.
b) The z-score for a particular score is -2.
We have to evaluate
P(z < -2)
Calculating the value from normal z-table.

Thus, 2.3% of of the class scored lower than my friend.
Answer:
92905
Step-by-step explanation:
27,500=0.296e
29.6%=0.296
27,500/0.296 =e
e rounded to the nearest whole number is 92,905