Answer:
A
Step-by-step explanation:
Samantha already took up an appointment time slot, and the two people can't be at the appointment at the same time, so it should be A.
Based on the mean, standard deviation, and the graph, the indicated IQ score would be 115.
<h3>What is the indicated IQ score?</h3>
First, find the z value:
P(Z<z) = 1 - tail value
= 1 - 0.1587
= 0.8413
According to the z-value, this gives a value of:
z = 1
The indicated IQ score is:
= mean + z value z standard deviation
= 100 + 1 x 15
= 115
Find out more on normal distributions at brainly.com/question/4079902
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Answer:
0.28
Step-by-step explanation:
Answer:
There would be a straight line at -0.5 on the graph.
Step-by-step explanation:
Hope this helps
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