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
oksano4ka [1.4K]
2 years ago
14

The population mean for a college Introduction to Biology quiz is 15 points. A sample of 45 high school seniors earns an average

of 18.54 points. A 90% confidence interval for the true mean of high school seniors is [15.87, 21.20]. Based on this confidence interval, what would your decision be in regard to a 2-tailed null with an alpha level of 0.1
Mathematics
1 answer:
GalinKa [24]2 years ago
3 0

Answer:

C) Reject null, because 15 is not in the interval.

Step-by-step explanation:

You might be interested in
What is the value for x? Enter your answer in the box.
Lynna [10]

angles BAC and BCA are equal = 69

69 +69 = 138

angles in a triangle =180

180-138 = 42

5x + 2 = 42

5x = 40

x = 8

8 0
3 years ago
Read 2 more answers
Mr. Park paid $85.00 for 4 shirts. Each shirt cost the same amount. What was the cost of each shirt in dollars and cents?​
yaroslaw [1]

Answer:

I think you're supposed to do 85/4

Step-by-step explanation:

85 devided by 4

$21.25 for each shirt

5 0
2 years ago
A closet contains 5 short-sleeve shirts and 3 long-sleeve shirts. Two shirts are chosen from the closet without looking. What is
Gennadij [26K]
D. There is a 5/8 chance each time. You would multiply that together to get the answer seen in D. 
4 0
3 years ago
Read 2 more answers
Consider the function. f(x)= -2/3x-24 Which conclusions can be drawn about f–1(x)? Select two options. f–1(x) has a slope of -2/
disa [49]

Answer:

(D) f^{-1}{(x$) has an x-intercept of (-36, 0).

(E)f^{-1}{(x) has a range of all real numbers.

Step-by-step explanation:

Given the function: f(x)= -\dfrac23x-24

f(x)+24= -\dfrac23x\\$Multiply both sides by $  -\dfrac32\\x=-\dfrac32(f(x)+24)\\f^{-1}(x)=-\dfrac32f(x)-36

When y=f(x)=0

f^{-1}(x)=-\dfrac32(0)-36\\f^{-1}(x)=-36

Therefore, f^{-1}(x)$ has a x-intercept of -36

Also, f^{-1}(x) has a range of all real numbers.

Therefore, Options D and E are correct.

5 0
3 years ago
Which expression uses the distributive property to represent the sum of 39 + 27
aalyn [17]

Answer:

The expression that uses the distributive property to represent the sum of 39 + 27 is 3(13 + 9)

Step-by-step explanation:

Given

Expression: 39 + 27

Required

Express using the distributive property

The distributive property is represented in the form a(b + c)

So, we can say that the meaning to the question is that the given expression should be represented in the form a(b+c)

Equate these two expressions, we have

a(b+c) = 39 + 27

Factorize the expression on the left hand side

a(b+c) = 3(\frac{39}{3} + \frac{27}{3})

Simplify fraction

a(b+c) = 3(13 + 9)

Compare expression on left hand side with the expression on the right hand side.

Since, they have the same format, then we've arrived at the answer.

Hence, the expression that uses the distributive property to represent the sum of 39 + 27 is 3(13 + 9)

3 0
3 years ago
Other questions:
  • 0.4 divided by -5/8 or -5/8xN=0.4 BUT LOOKING FOR N
    14·1 answer
  • Marty ate 4/6 of his pizza and Luis ate 5/6 of his pizza. Marty ate more pizza than Luis . How is that possible?
    10·2 answers
  • Charlie makes a rectangular fence around her rules so it will not get her. Hope she puts a fence around the room that was feet w
    5·2 answers
  • Determine whether the bolded numerical value is a parameter or a statistic. Explain your reasoning.The average annual salary of
    8·1 answer
  • Is -8-2(3+2n) +7 equivalent to -30-13n
    11·1 answer
  • Geometry math question no Guessing and Please show work
    5·2 answers
  • The length of a rectangle is four times the width. If the width is represented by x, then write an algebraic expression that des
    7·1 answer
  • Marta wrote six and eighty hundredths. Nicky wrote six and eight tenths. Who wrote the greater number? explain
    6·1 answer
  • The measure of angle EFG is 120 degrees. The measure of angle EFM is 60 degrees. Which equation can you use to find the measure
    13·1 answer
  • Use always, sometimes or never to make a true statement:
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!