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
egoroff_w [7]
3 years ago
6

He​ _____________ distribution is used to develop confidence interval estimates of variances or standard deviations.

Mathematics
1 answer:
weqwewe [10]3 years ago
4 0

The answer is the chi square distribution. In Statistics and probability theory, the chi distribution is a continuous probability distribution.  The chi-square distribution is a distinct case of the gamma distribution and is one of the most extensively used probability distributions in inferential statistics for instance, in construction of confidence intervals or in hypothesis testing.

You might be interested in
On Friday there were 8 snowboarders for every 3 skiers at Slovak ski resort. On Saturday the ratio of the number of snowboarders
atroni [7]

Answer:

There are 46 more skiers than snowboarder

Step-by-step explanation:

Given

Ratio of Snowboarders to Skiers

On Friday:

Ratio = 8 : 3

On Saturday:

Ratio = 4 : 7

Population = 168

Required

Determine the difference in the number of skiers and snowboarders on Saturday

On Saturday, we have

Ratio = 4 : 7

Calculate Total

Total = 4 + 7

Total = 11

Calculate the number of skiers

Skiers = \frac{7}{11} * 168

Skiers = \frac{1176}{11}

Skiers = 107 (Approximated)

Calculate the number of snowboarders

Snowboarders = \frac{4}{11} * 168

Snowboarders = \frac{672}{11}

Snowboarders = 61 (Approximated)

Calculate the difference

Difference = 107 - 61

Difference = 46

<em>Hence, there are 46 more skiers than snowboarder</em>

6 0
3 years ago
scott started his banking account with $150 and is spending $7 per day on lunch. this situation models which type of function ​
Zina [86]

Answer:

linear function:  y = -7x + 150

Step-by-step explanation:

Scott's situation represents a linear function because he is spending $7 each day on lunch.  His initial amount in his bank account is $150 and each day he spends the same rate on lunch, $7.  So, for any amount of days - represented by 'x' in the equation, you would multiply by -7 (since he is spending) and subtract this amount from his original amount of $150.  In this equation, 'y' is equal to his total after 'x' amount of days.  

7 0
4 years ago
An engineer estimated the weight of a steel beam to be 600 pounds. The actual weight of the beam was 639 pounds. Find the absolu
mario62 [17]

Answer:

Absolute error = 39

Percent Error = 6.10%

Step-by-step explanation:

Actual value = 639 pounds

Observed Value = 600 pounds

The formula to find absolute error is:

Absolute Error = Actual value - Observed Value

                        = 639 - 600

                        = 39

The formula to find Percent error is:

Percent Error = (Actual value - Observed Value / Actual value)*100

                       = (639 - 600/639)*100

                       = 6.10%

                 

7 0
3 years ago
Read 2 more answers
34 is 50% of what number?
lora16 [44]
In other words, you know that 50 percent of a number is 34 and you want to know what that initial number is.

To solve this problem you multiply 34 by 100 and then divide the total by 50 as follows:

(34 x 100) / 50

When we put that into our calculator, we get the following answer:

68
6 0
2 years ago
Read 2 more answers
Aiden knows the length of only one side of his garden. He says he will be able to find the area knowing only one aide. Explain h
Snowcat [4.5K]
This is possible providing the garden is in the shape that has equal sides, such as a square or an equilateral triangle.

Area of a square is found by multiplying one side to the other, which would be the same as multiplying two same numbers.


6 0
3 years ago
Read 2 more answers
Other questions:
  • A beehive contains 5 gallons of honey. A beekeeper removes 4 gallons, 1 pint, and 2 ounces. How much honey remains in the beehiv
    11·1 answer
  • 36 pennies to 72 pennies
    10·1 answer
  • Simplify (x - y + 1) - (x + y - 1)
    8·2 answers
  • Please help me! I'm a bit skeptical about my answer, is it correct or not?
    6·1 answer
  • In the figure below find the area of the shaded triangle XYZ. help me pliz
    10·2 answers
  • The temperature at 9 A.M. was 42°F. The next four hours the temperature dropped 2 degrees per hour. What was the temperature at
    5·2 answers
  • How much should 5x³+3x²-2x+1 be increased to get 6x² +7​
    14·1 answer
  • WILL MARK BRAINLIEST
    9·1 answer
  • Help! Write the equation of the line fully simplified slope-intercept form.
    8·1 answer
  • -6(3x+2)=-2x-5-20x-7
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!