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
Marianna [84]
3 years ago
5

(I don't have much points so I can't provide you with a huge amount but I do need help. I do also need the step by step definiti

on of your answer.)
The scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 60. Jake scored 520 on the test. What percent of students scored below Jake? Include a step by step description of the process you used to find that percentage.
Mathematics
1 answer:
cluponka [151]3 years ago
5 0

Answer:

this is my answer

Step-by-step explanation:

The expression P(−1.33<z<1.59) represents the area under the standard normal curve above a given value oz. Use your standard normal table to find the indicated area. Use a sketch of the standard normal curve with the appropriate area shaded to help find the answer.What is the value of P(−1.33<z<1.59) between the given values oz?Express your answer rounded to 4 decimal places.The scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 100.Sofia scored 632 on the test.What percent of students scored below Sofia?Round your answer to the nearest hundredth.The scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 100.Benita scored 432 on the test.What percent of students scored below Benita?Round your answer to the nearest hundredth.The expression P(z<1.00) represents the area under the standard normal curve below a given value oz. Use your standard normal table to find the indicated area. Use a sketch of the standard normal curve with the appropriate area shaded so this is going to let you find the answer.

You might be interested in
Determine the open intervals on which the graph of f(x) = x - 4cos x is concave upward or concave downward
bazaltina [42]

The graph of the function f(x) is

  • concave upward, when f''(x)>0;
  • concave downward, when f''(x)

Find f''(x):

1.

f'(x)=(x-4\cos x)'=1+4\sin x;

2.

f''(x)=4\cos x.

Now:

1. when 4\cos x>0, the graph of the function is concave upward and this is for

x\in \left(-\dfrac{\pi}{2}+2\pi k,\dfrac{\pi}{2}+2\pi k\right), \text{ where } k\in Z.

2.  when 4\cos x the graph of the function is concave downward and this is for

x\in \left(\dfrac{\pi}{2}+2\pi k,\dfrac{3\pi}{2}+2\pi k\right), \text{ where } k\in Z.

6 0
3 years ago
−10x + 1 + 7x = 37 i need the answers for that
vaieri [72.5K]
-10x+7x=-3x
3x+1=37
(-1) (-1)
3x=36
(Divide by 3 each side)
3x divided by 3= x
36 divided by 3 = 6
Answer: x=6
4 0
3 years ago
Find the circumference of each circle. Use 3.14 or 22/7 for T. Round to the
Ludmilka [50]

Answer:

4. Circumference = diameter × π

8× 3. 14= 25. 12 ~25. 1

5. 13×3. 14= 40. 82 ~40. 8

6. Diameter= radius ×2

3. 5×2=7

Diameter = 7

7× 3. 14= 21. 98 ~22

6 0
3 years ago
Rewrite in a simplest exponential form. Please show work.
Mama L [17]

(-4n^(2))*  (5n^(7)):-20n to the power of 9

(2x)^(3)*(5x^(4 ))^(2): 200x to the power of 11

4 0
3 years ago
A box of fruit has four times more peaches than plums.
Ugo [173]

Answer:

The number of plums = 4

The number of peaches =  16

The number of nectarines =  1

Step-by-step explanation:

Let the number of peaches be = x

Let the number of nectarines be = y

Let the number of plums be = z

A box of fruit has four times more peaches than plums. This means that

The number of peaches = 4 X the number of plums.

i.e x = 4z

The box has 3 fewer nectarines than plums. This means that

Number of nectarines = number of plums - 3

i.e y = z - 3

If the box contains 21 pieces of fruit, this means that if we sum up all the peaches, nectarines, and plums in the box, we will get 21.

Peaches + Nectarines + Plums = 21

4z + z-3 + z = 21

6z =21 +3

z = 24/6

z = 4

Therefore, the number of plums = 4

The number of peaches = 4 X 4 = 16

The number of nectarines = 4 -3 = 1

7 0
3 years ago
Other questions:
  • Which of the following is a rational number?
    9·1 answer
  • A system of equations is shown below: x + 3y = 5 (equation 1) 7x − 8y = 6 (equation 2) A student wants to prove that if equation
    13·2 answers
  • If Lp is a diameter of circle m and , find NO.
    10·2 answers
  • The distance betwen points A = 1 + 1i and B = a + b is 5. Find the point B for each value provided below.
    9·1 answer
  • 64 rounded to the neareat ten
    14·1 answer
  • Circle D has its center on a radius of circle A. The diameter of circle D is equal
    11·1 answer
  • A nutritionist wants to estimate the average caloric content of the burritos at a popular restaurant. They obtain a random sampl
    6·1 answer
  • Determine the independent and dependent variable from the following equations:
    9·1 answer
  • .
    12·1 answer
  • 5. The area of a rectangular garden is 75 feet. If the length of the base is 15 feet, what is the
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!