The IQ scores are RVs (X) normally distributed with mean and standard deviation .
The probability is calculated after converting the raw score to the standard score,
.
Now use normal distribution table or technology,
Thus, the number of people who would have I.Q.s below 76 out of 52,000 is
Therefore, the approximate number is .
Answer:
Que? No se.
Step-by-step explanation:
ion know
you figure it out
Let's solve your equation step-by-step.
−4(x−5)=92
x=−18