Answer:
No you didn't the answer is -6x squared + 15x
Step-by-step explanation:
6.68% of the students scored at least 19 points on this test while the 85 percentile has a test score of 24.08 points
The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:
P(x > 19) = P(z > 1.5) = 1 - P(z < 1.5) = 1 - 0.9332 = 0.0668
6.68% of the students scored at least 19 points on this test
b) 85 percentile corresponds to a z score of 1.04
The 85 percentile has a test score of 24.08
Find out more at: brainly.com/question/25012216
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Answer:
B
Step-by-step explanation:
half of 59 is 29.5, which is very close to 29. this indicates that this fraction (29/59) is the closest to one half, which is answer choice B.
Multiplying 37.4 x 0.7 gives you answer less than 37.4 because....
There is one decimal point in 37.4 and one decimal point in 0.7
When multiplied you have to move the decimal point TWO times.
As you move the decimal point to the left the value decreses.
Hope I helped!
-Char