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AnnyKZ [126]
3 years ago
12

How to find the mean of a fraction

Mathematics
2 answers:
NeX [460]3 years ago
4 0

Answer:

To find the average of a set of fractions,add all fractions, then divide the sum by the number of fractions as follows: Convert the integers and mixed numbers to improper fractions.

Step-by-step explanation:

kap26 [50]3 years ago
4 0

Answer:  represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English

step by step:  a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.

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Scores on a certain IQ test are knownto have a mean of 100. A random sample of 43 students attend a series of coaching classes b
NeX [460]

Answer:

Part 1

Type II error

Part 2

No ; is not ; true

Step-by-step explanation:

Data provided in the question

Mean = 100

The Random sample is taken = 43 students

Based on the given information, the conclusion is as follows

Part 1

Since it is mentioned that the classes are successful which is same treated as a null rejection and at the same time it also accepts the alternate hypothesis

Based on this, it is a failure to deny or reject the false null that represents type II error

Part 2

And if the classes are not successful so we can make successful by making type I error and at the same time type II error is not possible

Therefore no type II error is not possible and when the null hypothesis is true the classes are not successful

6 0
3 years ago
Plz help I will mark you brainlist plz help ​
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6 0
3 years ago
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WHAT'S THE ERROR? A student says 3(n- 5) is equal to 3n - 5. What's<br>the error?​
inn [45]

Answer:

The student incorrectly used the Distributive property!

Step-by-step explanation:

The Distributive property says a(b+c)=ab+ac

In this problem the answer SHOULD be 3n-15, however the <u>student forgot to distribute the 3 to the -5</u>!

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50,000 ÷ 250 = 200

This means that there are 200 seats in each section.
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Answer:

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2 years ago
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