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
Reptile [31]
2 years ago
11

Suppose that a random sample of size 100 is to be selected from a population with mean 50 and standard deviation 8. What is the

probability that a sample mean will be greater than 50.8? Round your answer to three decimal places.
Mathematics
1 answer:
maksim [4K]2 years ago
7 0

Answer:

0.159

Step-by-step explanation:

Given that:

Sample size (n) = 100

Population mean(pm) = 50

Standard deviation (s) = 8

Probability that Sample mean (m) will be greater Than 50.8

Using the relation :

(sample mean - population mean) / (standard deviation /sqrt(n))

P(m > 50.8)

Z = (50.8 - 50) / (8/ sqrt(100))

Z = 0.8 / (8/ 10)

Z = 0.8 / 0.8

Z = 1

P(Z > 1) = 0.15866 ( Z probability calculator)

Hence,

P(Z > 1) = 0.159 ( 3 decimal places)

You might be interested in
You have exatly 200 feet of fencing to enclose 2 adjacent square regions. assuming you use all the fencing provided what will th
bekas [8.4K]
Adjacent so that means 1 wall will be shared

each square has 4 sides,
but they share a side so 4+4-1=7 sides total

200 divided by 7 sides=200/7 ft per side

the area of a square is side^2
side=200/7
so area=(200/7)^2=40000/49
that's for 1 square
times 2
80000/49 square feet
about 1632.6530612244897959183673469388 square feet
rounded is 1633 square feet

7 0
3 years ago
John has 6/8 of pie left after a party. He bakes 1/6 times the pie. How many pie does he have now?
asambeis [7]
The answer is 0.125 of a pie left
3 0
2 years ago
Read 2 more answers
Noah is making grilled cheese sandwiches for friends. He has 24 ounces of cheese. He plans to split the cheese evenly between 6
Marysya12 [62]

Answer:

24/6=c

Step-by-step explanation:

Well to split 24 you need to divide by 6 and that will equal the answer. An equation always has a equal sign so you know that you would be solving for c

3 0
2 years ago
Read 2 more answers
Since only 2 of the 50 states are not connected to the mainland, what percentage of the states ARE on the mainland?
Nitella [24]

Answer:

96%

Step-by-step explanation:

too easy for me

6 0
3 years ago
What is 10.1x-1.6+44=-7
Annette [7]
Answer x=-9/2. It’s period is times?? I might wrong

5 0
2 years ago
Other questions:
  • Which of the following functions could be f(x) ?
    15·1 answer
  • What is 13 - x = -7 what is x in this equation
    8·2 answers
  • What is the volume of the cylinder? Express the answer in terms of .
    7·2 answers
  • Mr. Clifton was preparing for his upcoming birthday party. He ordered 51 white balloons and 47 red balloons. As he walked to his
    15·1 answer
  • Angel bought a 4 cups of freshly squeezed lemon juice. Be used 1/3 of a cup while making homemade lemonade. How many cups of lem
    7·1 answer
  • You and your family go out for dinner and spend $125.00 for the meal. The family paid a total of $150 which included the tip.. W
    14·2 answers
  • Jonathan wants to the new baseball game for his game console. The game costs $45.99. If sales tax is 6%, write an equation to fi
    13·1 answer
  • Select the correct answer. Every dimension of a triangular pyramid is multiplied by 10 to produce a new figure that is geometric
    15·2 answers
  • Find the area of the shaded region. geometry please help if your good at it. will mark brainlist
    15·1 answer
  • Hello! Happy Sunday! Got a Math question for you, anyone willing to try? Work and answer please! I think the answer is going to
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!