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sergey [27]
3 years ago
10

Solve for x. Brainliest for best answer

Mathematics
1 answer:
devlian [24]3 years ago
6 0
I have checked and the answer is x=7
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A medical researcher is working on a new treatment for a certain type of cancer. The average survival time after diagnosis for t
Nitella [24]

Answer:

The suitable results are:

Option A: The alternative hypothesis could really be true but because the sample size is small, the power is very low so the researchers are likely to run an experiment whose results lead them to make a type II error.

Option D: Inasmuch there is no statistical evidence to accept the null hypothesis. The null hypothesis could be true and there is no difference between the new and standard treatments survival rate.

Explanation:

Below are the options  suitable for results:

Option A: The alternative hypothesis could really be true but because the sample size is small, the power is very low so the researchers are likely to run an experiment whose results lead them to make a type II error - Reason been that, as the sample size increase, so also does the power of the test increase. Therefore, because the power is too small, the researchers are likely to commit type 2 error.

Option D: Inasmuch there is no statistical evidence to accept the null hypothesis. The null hypothesis could be true and there is no difference between the new and standard treatments survival rate.

4 0
4 years ago
David has a monthly net income of $1,360. His fixed monthly expenses consist of a rent payment of $450. He is paying off a stude
nadezda [96]

Answer:

The largest monthly payment he can afford for the T.V set in order to be kept within a safe load of 20% is $156

Explanation:

Before we calculate, let us extract the key information from this question:-

*** David's monthly net income is $1,360

*** David pays a monthly rent of $450

*** He is paying off a student loan which costs him $116 per month.

*** He intends purchasing a new T.v set

*** We are simply required to determine the largest monthly payment that David can afford for the T.v set in order for him to be kept within a safe load of 20%.

In order to calculate the largest monthly payment that he can afford for the T.v set so as to be kept within a safe load of 20%, we will need to determine the actual amount that is twenty percent of his net income. If his net income is $1,360 then twenty percent of it is:

20/100 × 1360

= 27200/100

= $272

All we need to do now to find the largest monthly payment he can afford for the TV set is to subtract the student loan that he is paying off monthly ($116) from twenty percent of his net income ($272). That is:-

$272 - $116 = $156

Therefore the largest monthly payment that David can afford for the television set in order for his credit card payments and student loan to keep him within a safe debt load of 20% is $156.

3 0
4 years ago
What two ratios are equivalent to 10:18
Whitepunk [10]
10 : 18          2 into 10 is 5, 2 into 18 is 9.

5 : 9.

You can also choose to multiply 10 : 18 by 2.

2*10 : 2*18

20 : 36.

Therefore   5 : 9 and 20 : 36  are two ratios that are equivalent to 10 : 18.
6 0
4 years ago
Read 2 more answers
The function f(x)= (x-8) (x+2) (x+3) has which zeros
ArbitrLikvidat [17]

Answer:

(8, 0)

(-2, 0)

(-3, 0)

Step-by-step explanation:

x - 8 = 0

x = 8

x + 2 = 0

x = -2

x + 3 = 0

x = -3

4 0
2 years ago
Read 2 more answers
The original price of shoes is 42$ the sale price is 20% off the original price. What is the amount off the original price?
dybincka [34]
$42 x .20 = $8.40

Answer: $8.40
5 0
3 years ago
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