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
ki77a [65]
3 years ago
12

Probability distribution part 2​

Mathematics
1 answer:
steposvetlana [31]3 years ago
7 0

Answer:

  b.  -0.862

Step-by-step explanation:

The only answer choice with a minus sign is B, which is the correct choice.

When the value of interest is below the mean (2800 is below 3550), the z-score will be negative:

  z = (2800 -3550)/870 = -750/870 ≈ -0.86207 ≈ -0.862

_____

As always, z is computed as ...

  Z = (X -μ)/σ

You might be interested in
Paul has $75 in his wallet. He worked 8 hours at the theater and earned $8.50 per hour. He spent $72.50 in a pair of soccer Clai
Rudiy27

Answer:

$70.50

Step-by-step explanation:

8.50 x 8 = 68

68 + 75 = 143

143 - 72.50 = 70.50

3 0
3 years ago
Pls help asap
yuradex [85]

Answer:

y=525x+230

Step-by-step explanation:

525 is spent everyday. x is the number of days, so with each day $525 is spent.

$230 is a one time cost, regardless of how many days they stay on the trip.

3 0
3 years ago
Cubes and cubes roots <br>27000​
Natasha_Volkova [10]

Answer:

lcm for cuberoot

that is 2*2*2*5*5*5*3*3*3

make pairs of three common numbers and write them as one.

2*5*3=30

ans =30

check 30*30*30=27000

cube

multiply 27000 three times with itself

27000*27000*27000

=19683000000000.0

8 0
3 years ago
PLEASE HURRY 10 POINTS FOR ALL OF YOU
katrin2010 [14]

Answer:

288cm

Step-by-step explanation: She is a beach..Thats why shes rude

3 0
3 years ago
Read 2 more answers
The quotient of an unknown number and -13 is -14
zysi [14]

Answer:

182

Step-by-step explanation:

Quotient is division

Q/-13 = -14

Multiply each side by -13

Q/-13  * -13 = -14* -13

Q =182

The unknown number is 182

7 0
3 years ago
Other questions:
  • Jamie’s dad put 12 gallons of gasoline in his car the gasoline costs 3.25$ a gallon how much did Jamie’s dad pay for the gasolin
    14·1 answer
  • So If Mr. Cohen drives 84 2/10 miles on Tuesday,84 6/10 miles on Wednesday,85 miles on Thursday how many miles would He drive on
    12·2 answers
  • Whats 23 X 3 need to know now teacher is getting me to the answer help plzzzzzzz
    6·1 answer
  • Isaac has spent $20 to set up cable service and the monthly fee is $54.95. Write an equation to represent the total amount it co
    5·1 answer
  • The seating capacity of a stadium is 65,500. So far, 49,632
    7·1 answer
  • Can someone please do 4 x 5/6 on a number line​
    10·1 answer
  • Jayson used 0.5 cup of kernels to make 16 cups of popcorn. How many cups of popcorn would he make if he used 0.75 cup of kernels
    9·1 answer
  • Solve: 2k=k+2<br> i really need help asap
    9·1 answer
  • Lynn is tracking the progress of her plant's growth. Currently the plant is 11 The plant grows 1.2 cm per day. Find an equation
    8·2 answers
  • Help? I will be grateful!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!