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
topjm [15]
3 years ago
11

HELP ME NOW PLEASE NOW ADGAFDKD;LHJ!!!!!! PLEASE AND THANK YOU :)))))

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

I got D.

There's a few ways to solve it; I prefer using tables, but there are functions on a TI-84 that'll do it for you too. The logic here is, you have a standard normal distribution which means right away, the mean is 0 and the standard deviation is 1. This means you can use a Z table that helps you calculate the area beneath a normal curve for a range of values. Here, your two Z scores are -1.21 and .84. You might notice that this table doesn't account for negative values, but the cool thing about a normal distribution is that we can assume symmetry, so you can just look for 1.21 and call it good. The actual calculation here is:

1 - Z-score of 1.21 - Z-score .84 ... use the table or calculator

1 - .1131 - .2005 = .6864

Because this table calculates areas to the RIGHT of the mean, you have to play around with it a little to get the bit in the middle that your graph asks for. You subtract from 1 to make sure you're getting the area in the middle and not the area of the tails in this problem.

You might be interested in
Six rectangles each with a common base width of 22 have lengths of 1,4,9,16,251,4,9,16,25, and 3636. What is the sum of the area
Angelina_Jolie [31]
22(1 + 4 + 9 + 16 +251 + 4 + 9 + 16 + 25 + 3636)
= 87362 units^2
8 0
3 years ago
If x\3-2=5x-2 then x=
nikdorinn [45]
X/3 -2 = 5x-2        (multiply by 3)

x-6=15x-6

x=15x

14x=0

x=0
6 0
3 years ago
Solve x^5-4x^3 is less than or equal to 0
Aleks04 [339]
Solve for x over the real numbers:
x^3 (x^2 - 4) = 0

Split into two equations:
x^3 = 0 or x^2 - 4 = 0

Take cube roots of both sides:
x = 0 or x^2 - 4 = 0

Add 4 to both sides:
x = 0 or x^2 = 4

Take the square root of both sides:
Answer:  x = 0 or x = 2 or x = -2
5 0
3 years ago
The two rectangles below are similar. What is the measurement of the missing side of the rectangle?
r-ruslan [8.4K]
B

You would divide 45 mm/15mm to get 3. Multiply 3 by 27 to get 81 mm.
5 0
3 years ago
What is √200 in simplest form?
borishaifa [10]

Answer:

14.4913767

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • 7.2111 rounded to the nearest hundredth
    7·1 answer
  • Does the following infinite series converge or diverge?
    5·1 answer
  • On a particular day, the wind added 5 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 5 miles pe
    6·1 answer
  • The following information was reported in an article in a newspaper. A sheriff reported that investigators found 7.5 kilograms o
    10·1 answer
  • I need an inequality
    14·1 answer
  • In order to safely land, the angle that a plane approaches the runway should be no more than 15°. A plane is approaching Ottawa
    9·1 answer
  • PLEASE HELP VERY URGENT!!!!!!!
    15·1 answer
  • I need help i dont know what it means
    12·1 answer
  • Complete the following questions. 4 x 5 - 45 ÷ 9 = (18 - 6) x (12 - 4) =
    5·2 answers
  • PLEASE HELP 100 POINTS AND BRAINLIEST
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!