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
Snowcat [4.5K]
3 years ago
13

Suppose a hypothesis test for a population mean is correctly conducted and the decision is made to not reject the null hypothesi

s. What type of error could have been made? Select one: a. A Type I Error b. A Type II Error c. Either type of error could have been made. d. Neither type of error could have been made if the test was conducted correctly.
Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
3 0

Answer: B) type II error

Step-by-step explanation: whenever hypothesis test is performed it is not possible to be 100% certain about the conclusion or decision made, hence their must be a level of confidence for the conclusion made.

The level of significance (α) usually takes the lower percentage of the area of distribution.

When you reject the null hypothesis instead of accepting it, you commit a type I error, the probability of committing this error is the level of significance (α).

When you accept the null hypothesis when you are suppose to reject it, you commit a type II error and the probability of committing this error is confidence level (β) which is (1- α)

You might be interested in
The table gives the average age of airplanes per airline at Camila’s local airport. By what percent is the number of airlines wi
VladimirAG [237]

The percentage that the number of airlines with an average airplane age of 14 is less than the number of airlines with an average airplane age of 11 is:

B. 20%.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

P = \frac{a}{b} \times 100\%

The percentage of airlines with an average age of 14 years is:

P = \frac{2}{15} \times 100\% = 13.33\%

The percentage of airlines with an average age of 11 years is:

P = \frac{5}{15} \times 100\% = 33.33\%

The difference is:

33.33% - 13.33% = 20%.

Hence option B is correct.

More can be learned about percentages at brainly.com/question/10491646

#SPJ1

6 0
2 years ago
What’s the given m ABC = 70 and m ADC = 46
uysha [10]

Answer:

Step-by-step explanation:

Properties of a kite;

1). A kite has one pair of equal angles.

2). A kite has two pairs of adjacent sides.

3). Diagonals of a kite intersect at 90°.

4). Kite has at least one diagonal that bisects the opposite angles.

It's given in the question,

m∠ABC = 70° and m∠ADC = 46°

By the property number -4,

m∠2 = m∠3 = \frac{70}{2} = 35°

m∠8 = m∠9 = \frac{46}{2} = 23°

By the property number - 3,

m∠4 = 90°

By the property of interior angles in a triangle,

m∠3 + m∠4 + m∠5 = 180°

35° + 90° + m∠5 = 180°

125° + m∠5 = 180°

m∠5 = 55°

Similarly, m∠1 + m∠2 + 90° = 180°

m∠1 + 35° + 90° = 180°

m∠1 = 55°

Now m∠6 + 90° + m∠8 = 180°

m∠6 + 90° + 23° = 180°

m∠6 = 180 - 113 = 67°

Therefore, m∠6 = m∠7 = 67°

3 0
3 years ago
What is 3 root of − 1331 end root ?
NNADVOKAT [17]
∛-1331
∛-11 · (-11) · (-11)
∛-11∛-11∛-11
-11
7 0
3 years ago
Evaluate ab-0.5bab−0.5ba, b, minus, 0, point, 5, b when a=1a=1a, equals, 1 and b=5b=5b, equals, 5.
Anuta_ua [19.1K]

Answer:

2.5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP
marysya [2.9K]

9514 1404 393

Answer:

  C

Step-by-step explanation:

All of the offered answer choices are dilations. When a figure is dilated about the origin, every individual coordinate is multiplied by the dilation factor.

So, the dilation factor can be found by dividing an image coordinate by the pre-image coordinate.

  I'x/Ix = -3/-2 = 1.5

The dilation is 1.5 about the origin.  . . .  matches C

6 0
3 years ago
Other questions:
  • THE QUOTIENT OF A NUMBER AND 8 IS 16 I NEED THE SOLUTION
    7·1 answer
  • If I=300 dollars, P=5000 dollars,and T=10years what is R
    6·1 answer
  • Find the area of the parallelogram below.
    15·1 answer
  • Тоо со уоu угарз аппе:
    5·1 answer
  • In City A, the temperature rises 7 degrees F from 8AM to 9AM. Then the temperature drops 6 degrees F from 9AM to 10AM. In City B
    12·1 answer
  • Is the square root of 15 an irrational number
    7·1 answer
  • Of the 40 students who auditioned for the
    15·2 answers
  • A tree cast a shadow of 30m long and a 2m stick casts one that is 3m long. As show in the below diagram how tall is the tree?​
    15·2 answers
  • According to this diagram, what is tan 62°?
    8·2 answers
  • How to find x(x-2)&lt;0
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!