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3 years ago

Which of the following is true?

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

8 0

Answer:

The correct option is c which is if this test was one-tailed instead of two-tailed, you would reject the null.

Step-by-step explanation:

a: This statement cannot be true as the p-value for a 1 tailed test is dependent on the level of significance and other features.

b: This statement cannot be true as there is no valid mathematical correlation between the p-value of the one-tailed test and the current p-value.

c: This statement is true because due to the enhanced level of significance, the null hypothesis will not be rejected.

d: This statement is inverse of statement c which cannot be true.

e: The statement cannot be true as there is no correlation between the current p-value and the p-value of 1 tailed test. The correlation exists between the values of one-tailed and two-tailed p-values.

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Anne wants to fill 12 hanging baskets with compost. Each hanging basket is a hemisphere of diameter 40 cm.

murzikaleks [220]

Answer:

Step-by-step explanation:

Steps to answering this question

determine the volume of the 12 basket

volume of a hemisphere = (2/3)πr^3

n = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = 40/2 = 20 cm

volume of one hemisphere = (2/3) x (22/7) x (20^3) = 16,761.90 cm^3

volume of the 12 baskets = 16,761.90 cm^3 x 12 = 201,142.86 cm^

2. convert the litres of compost to cm and multiply by the total bags of compost

1 litre = 1000cm

1 bag of compost = 50 x 1000 = 50,000

4 bags of compost = 50,000 x 4 = 200,000 cm

3. compare which figure is higher. the figure gotten in step 1 or 2

201,142.86 cm^3 is greater than 200,000

there is no enough compost

473691.4

273691.4

3 0

3 years ago

2/3 × n= -22 what is n?

tekilochka [14]

n would equal -33.

n=-33

6 0

3 years ago

Read 2 more answers

Find the difference if the following sequence: -7, -9, -11

fredd [130]

They are adding (-2)

7 0

4 years ago

Read 2 more answers

The second side of a triangular deck is 4 feet longer than the shortest side. The third side that is 4 feet shorter than twice t

Svetlanka [38]

The second side of a triangular deck is 4 feet longer than the shortest side

(s+4) = the 2nd side

and a third side that is 4 feet shorter than twice the length of the shortest side.

(2s-4) = the 3rd side

If the perimeter of the deck is 48 feet, what are the lengths of the three sides?

s + (s+4) + (2s-4) = 48

Combine like terms

s + s + 2s + 4 - 4 = 48

4s = 48

s = 48/4

s = 12 ft is the shortest side

I'll let you find the 2nd and 3rd sides, ensure they add up to 48

Hope this helps!

5 0

3 years ago

400,361,324,N,256, 225 what is value of N?

Yuliya22 [10]

The value of N is 289.

Step-by-step explanation:

A sequence of number is given with a missing number "N".

To find N, find which pattern is followed in the sequence:

The sequence goes on reducing with small number than the previous one.

so, finding the difference= 400-361= 39

361-324= 37

It is found that 39-37= 2.

37-2= 35 and follows as 33 and 31.

So, the next number N can be find by 324-N= 35

324-35= N

N= 289

check whether the next number is followed correctly or not,

289-256 must give 33 and 256-225 gives 31. So the N value is correct.

6 0

3 years ago