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
Margaret [11]
3 years ago
11

Question 4 of 25

Mathematics
1 answer:
Gnoma [55]3 years ago
7 0

Answer:

Step-by-step explanation:

We are looking for P(58 < x < 64). We need to find the percentage to the left of the z-scores for each of these numbers. To find the z scores, use the formula:

z=\frac{x_i-\bar{x}}{\sigma}

z=\frac{58-62}{4} which gives us a z-score of -1. The percentage of numbers to the left of a z-score of -1 is .1586553

Now for the other z-score:

z=\frac{64-64}{4} which gives us a z-score of .5. The percentage of numbers to the left of a z-score of .5 is .69146246

The lower percentage subtracted from the higher gives the area in question:

.69146246 - .1586553 = .53280716, or as a percentage, 53.3%, choice A.

You might be interested in
What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation?
Reika [66]

Answer:

u=(x+5)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
2% of the students at Hamilton Middle School have red hair. There are 700 students at Hamilton Middle
Makovka662 [10]

Answer:

14 students

Step-by-step explanation:

We can set up a percentage proportion to find 2% of 700.

\frac{x}{700} = \frac{2}{100}, and we can use the cross products property to find the value of x.

700\cdot2=1400\\\\1400\div100=14

Hope this helped!

4 0
3 years ago
Read 2 more answers
What is the range?<br> 8 6 8 8 10 15 10
Luba_88 [7]

Answer:

9

Step-by-step explanation:

8 0
3 years ago
1. Which of the following expressions is equivalent to
DanielleElmas [232]
B it should be that one lol
4 0
2 years ago
Simplify each expression (y - 9 )(y-2)
ad-work [718]
Y x y = y^2
-9 x y = -9y
-2 x y = -2y
-9 x - 2 = 18
y^2 -9y -2y + 18
y^2 -11y + 18
(^2 = squared)
7 0
3 years ago
Other questions:
  • What are the next three numbers in this pattern? 11, 22, 12, 23, ...
    5·2 answers
  • Is a kilogram bigger than a liter
    9·2 answers
  • How do i divide mixed numbers
    6·1 answer
  • HELP ME WILLING TO PAY AND HAVE DONE TO OTHERS!
    8·1 answer
  • What is a dollar in fraction
    5·2 answers
  • Hello! i need 2 people to answer this question whoever is correct gets brainiest, if both are correct then ill go by whoever ans
    7·2 answers
  • Consider the two triangles shown below note the triangles are not drawn to scale are the two triangles congruent?
    9·2 answers
  • Identify the fractions as proper, improper, or mixed; however, if the fraction is equivalent to one, indicate so. 3 1/8
    6·1 answer
  • Which of the following results in the expression 0.86 x 22?
    12·2 answers
  • Choose Yes or No to tell if the number 3.23 will make each equation true.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!