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
navik [9.2K]
3 years ago
15

Randy took a standardized test that is normally distributed. He scored a 105 on the test. The nationwide mean score on the test

was 94 and the standard deviation was 6.2. What percent of the tested population scored higher than Randy on the test? Round to the nearest whole percent.
Mathematics
1 answer:
algol [13]3 years ago
5 0

Answer:

4% of the tested population scored higher than Randy on the test

Step-by-step explanation:

P(X>105) = normalcdf(105,1e99,94,6.2) = 0.0380155219 ≈ 0.038 ≈ 3.8% ≈ 4%

Therefore, about 4% of the tested population scored higher than Randy on the test.

You might be interested in
Question 5 of 8 2 Points Which values are solutions to the inequality below? Check all that apply. x2 > 10
Ket [755]

Answer:

4 and -4

Step-by-step explanation:

> means greater than

x² > 10

4² > 10 → True, 16 is greater than 10

-4² > 10 → True, 16 is greater than 10

8 0
3 years ago
Eric earned $100 in tips on Sunday waiting tables plus an additional $11.50 per hour. He earned at least $250 in all.
snow_tiger [21]

Answer:

13

Step-by-step explanation:

So first Subtract 100 from 250. Since you are trying to find out the amount of hours, you don’t need the tips to count.

The next step is too either do the equation 150 divided by 11.50 or you can multiply 11.50 by 13.

it’s not fourteen because 149.5 is closer to 150 then 161

Hope this helps

7 0
2 years ago
16x^0+2x^2*y^-1 x=2 y=4<br> PLEASE HELP!!!
Kipish [7]

Answer:

your answer should be 4095

3 0
3 years ago
I can't find the right answer
OlgaM077 [116]

Answer:

x10

Step-by-step explanation:

x^2 > 100\\\\\mathrm{For\:}u^n\:>\:a\\\mathrm{,\:if\:}n\:\mathrm{is\:even}\mathrm{\:then\:}u\:\:\sqrt[n]{a}\\\\x\sqrt{100}\\\\\sqrt{100}=10\\\\x10

7 0
3 years ago
Vertex = (2,5), Point (0, 1)
Rama09 [41]

Answer:

therefore y= - (x-2)^2 + 5

Step-by-step explanation:

u do this by using this format here ..,

y=a(x-h)^2+k

sub in the vertex points as h=2 and k = 5 , since the 2 is positive its sign will be -2 in the brackets because when solving for x-2=0 it is x=2

y=a(x-2)^2+5

then with your (0,1) points plug that in as y and x

1=a(0-2)^2+5

1=a(-2)^2+5

1=4a+5

1-5=4a

-4=4a

a=-1

therefore y= - (x-2)^2 + 5

8 0
2 years ago
Other questions:
  • Which expression is equivalent to (xy)z?
    7·1 answer
  • Tell whether each number is rational or irrational: Pi, -1/2, the square root of 2/3, and 0.57575757
    5·1 answer
  • What is the missing statement in step 3 of the proof? mAngle1 = mAngle2 mAngle1 + mAngle2 = 90° mAngle2 = mAngle3 mAngle2 + mAng
    8·2 answers
  • What is the vertex? y=2x^2+28x-8
    13·2 answers
  • The city purchased 24 new buses that each hold 32 passengers. It also purchased 18 new smaller buses that each hold 27 passenger
    5·1 answer
  • 1. Which is closest to the length of<br> GH<br><br> A. 7.6<br> B. 10.2<br> C. 13.6<br> D. 15.8
    8·2 answers
  • Question 20
    11·1 answer
  • If diana spends 25 minutes running at the gym how many minutes does she spend lifting weight
    15·2 answers
  • Which of the following is equivalent to (a + b/2) ^2?
    6·1 answer
  • Determine the rate: 6,000 miles in 3 hours
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!