Answer: 34%.

By definition of normal distribution, ≈68% of the data is within 1 standard deviation of the mean. Therefore 68% of IQs are between 85 and 115, and half of that is on the lower end, 85 to 100.

3 0

3 years ago

X^2+6x+8÷x^2-16 simplify

Misha Larkins [42]

Answer:

The answer is in the file below, I wasn't able to make it in text form.

6 0

2 years ago

2. The expression (x-7) is a factor of x^3 - 10x^2 + 11x + 70.

VARVARA [1.3K]

Answer: Try x=3+2 root46 over 5

Or 3-2root46 over 5

Step-by-step explanation:

5 0

3 years ago

Given that Sn = 1a + (n-1)d1

Ivanshal [37]

Answer:

d = (sn - 3)/9

Step-by-step explanation:

4 0

3 years ago

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