1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
otez555 [7]
3 years ago
12

According to​ psychologists, IQs are normally​ distributed, with a mean of 100 and a standard deviation of 15 . a. What percenta

ge of the population has IQs between 85 and 100 ​?
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0
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.
You might be interested in
How is 0.246¯¯¯¯ written as a fraction in simplest form?
weeeeeb [17]

Answer:

Step 1: 0.246 = 246⁄1000

Step 2: Simplify 246⁄1000 = 123⁄500

6 0
3 years ago
Read 2 more answers
Please help i tried so hard and its not right
garik1379 [7]

Answer:

<u>10.75%</u>

Step-by-step explanation:

so, you need the total price, which would be 17,850+2,150=20,000 as the whole price of the car, then you need to find what precent 2,150 is of 20,000. then use this formula for finding the precent.

2150/20000 times 100%=10.75%

8 0
2 years ago
Read 2 more answers
547321 rounded to nearest one thousand
Sphinxa [80]
The nearest thousand is 547,000
5 0
3 years ago
Wht does ^ this mean? ​
Ainat [17]

Answer:

Concept: Analysis

  1. The carrot means an exponent.
  2. {x}^{2}
  3. It means something like x^2
8 0
3 years ago
What is 2/3 by 4/5 in fraction
kondaur [170]

Answer: If you mean to multiply, the answer is 8/15.

Step-by-step explanation:

Multiply numerator by numerator and denominator by denominator.

2 x 4 = 8

3 x 5 = 15

ANSWER: 8/15

3 0
2 years ago
Read 2 more answers
Other questions:
  • (very urgent) will gave 20 pts
    11·1 answer
  • A coin is tossed 3 times. What is the probability that the number of tails obtained will be between 1 and 3 inclusive?
    14·1 answer
  • Suppose that 28.3% of all students took an accounting course 31.3 of all students took a statistics course and 49.1 of all stude
    6·1 answer
  • Explanation thanks!<br> Just need help getting started
    11·1 answer
  • A rectangular parking lot has a length that is 3 yards greater than the width. the area of the parking lot is 180 square yards.
    12·1 answer
  • Solve for the following system of equations.<br> -7x+6y=9<br> -2x-5y+16<br><br> x=?<br> y=?
    8·2 answers
  • Please help; I'd love for someone to help me with this question that makes no sense what so ever
    7·2 answers
  • If the number of bacteria in a colony doubles every 70 hours and there is currently a population of 5 bacteria, what will the po
    6·1 answer
  • Which expression represents three minus the quotient of five divided by x?
    13·1 answer
  • R-(-4x - (y + y)); use x = -4, and y = -3 evaluate ​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!