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
kupik [55]
3 years ago
11

Find z such that 59% of the standard normal curve lies between −z and z. (Round your answer to two decimal places.)

Mathematics
1 answer:
victus00 [196]3 years ago
4 0

Answer:

Z = 0.82

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Find z such that 59% of the standard normal curve lies between −z and z.

The normal distribution is symmetric, which means that this is:

From the 50 - (59/2) = 20.5th percentile

To the 50 + (59/2) = 79.5th percentile.

The 20.5th percentile is -Z and the 79.5th percentile is Z.

79.5th percentile

Z with a pvalue of 0.795.

Looking at the z-table, it is Z = 0.824.

Rounding to two decial places, the answer is Z = 0.82.

You might be interested in
4(2x−3)=4(2x)−4(3) what is the proptery
Nikitich [7]

9514 1404 393

Answer:

  distributive property

Step-by-step explanation:

The <em>distributive property</em> of multiplication over addition lets you expand the product in the manner shown.

4 0
3 years ago
At Supply World, 4 pens cost $10.00. How much do 3 pens cost if the price per pen is the same?
Romashka-Z-Leto [24]

Answer:

$7.50

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help me in all of these,plz show your work
jenyasd209 [6]
To find the area of all of the figures, all you need to do is base x height or the length x width.
Your answers for 1-6 are all correct.
For 7-9, remember that the area is the length times the width. 
7) length x width, 42 x 30=1260 
8) 17 x 22= 374
9) Since the length and width are the same in a square just multiply the side by itself. 2.7 x 2.7= 7.29
Hope this helps.
5 0
3 years ago
Ishi bought a canvas and 8 tubes of paint for $24.95. If the canvas costs $6.95, how much did each tube of paint cost?
pashok25 [27]
2.25 dollars for each tube of paint. you just have to divide 18 and 8
7 0
3 years ago
Read 2 more answers
What to do with this question​
Katen [24]
Answer:

Explanation: there are
7 0
3 years ago
Other questions:
  • PLEASE HELP BEST ANSWER WILL GET BRAINLIEST
    9·1 answer
  • Solve for f(2)<br>f(x) =-4x+3<br>f(2)=-4(2)+3<br>f(2)=?​
    5·1 answer
  • How can you determine the difference between an arithmetic and geometric sequence if you are given the first 4 terms of the sequ
    9·2 answers
  • Over the course of a year, a company goes from 115 employees to 124 employees.
    13·1 answer
  • Fill in the blank questions are considered______ questions a response b matching c best answer d none of these
    13·2 answers
  • 1. Mateo is going to solve the equation below.
    6·2 answers
  • X + 4 = -14 im frustraded i need an answer haha hewpppp
    6·1 answer
  • Given B=40, A=45, &amp; c=4. Find b.
    5·1 answer
  • PLSSS HELP
    7·1 answer
  • If QS bisects PQT, SQT=(8x- 25),PQT=(9x+34), and SQR=112, find each measure.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!