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Misha Larkins [42]
3 years ago
15

Judy needs a mean (average) score of 86 on four tests to earn a midterm grade of B. If the mean of her scores for the first thre

e tests was 83, what is the lowest score on a 100-point scale that she can receive on the fourth test to have a midterm grade of B?
Mathematics
1 answer:
Korvikt [17]3 years ago
7 0

Answer:

The answer is 95

Step-by-step explanation:

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Work out the following questions
Likurg_2 [28]

Answer:

a)8/21

b)1/9

Step-by-step explanation:

because when we divide fraction we resprocal the divisor

4 0
2 years ago
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Need help with 56 plz!
Naddika [18.5K]

Answer: No idea, sorry. I'm sure you could look it up tho


Step-by-step explanation:


3 0
3 years ago
Find the value of x in the equation below. 3x = 18
Oxana [17]

Answer:

x=6

Step-by-step explanation:

you need to get x alone so you divide by 3 on both sides

hope this helps!!! :)

example:

3x/3= 18/3

x=6

4 0
2 years ago
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(75 - 7i) + (475 +7i)​
Fudgin [204]
I simplified this equation and received.
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Elaborate what you want to solve of this is not what was wanted.
7 0
3 years ago
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You are thinking about opening a restaurant and are searching for a good location. From the research you have done, you know tha
adell [148]

A type I and type II error of the given question are respectively;

A) concluding that the local mean income exceeds $45000 when in fact it does not and therefore opening a restaurant in a locale that would not support it.

B) concluding that the local mean income does not exceed $45000 when in fact it does not and therefore deciding not to open a restaurant in a locale that would support it.

<h3>What is Type 1 and a Type II error?</h3>

In statistics, a type I error simply means rejecting the null hypothesis when it's actually true. Meanwhile, a Type II error means failing to reject the null hypothesis when it's actually false.

Now, in this question what we will consider to be a type I error is concluding that the local mean income exceeds $45000 when in fact it does not and therefore opening a restaurant in a locale that would not support it.

A type II error will be concluding that the local mean income does not exceed $45000 when in fact it does not and therefore deciding not to open a restaurant in a locale that would support it.

Read more about Type I and II errors at; brainly.com/question/16012410

3 0
2 years ago
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