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2 years ago

2 7/4 - 7 3/8 ○ 10 1/8 ○ 10 9/8 ○ 11 1/8 ○ 11 7/8

Mathematics

2 answers:

kaheart [24]2 years ago

8 0

Answer:

the answer is not up there

Step-by-step explanation:

mafiozo [28]2 years ago

4 0

Answer:

no choise

Step-by-step explanation:

=54/8-73/8

=-19/8

so no choise

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When obtaining a confidence interval for a population mean in the case of a finite population of size N and a sample size n whic

Elanso [62]

Answer:

95% Confidence interval for the mean

$142.8 \leq\mu\leq158.4$

Step-by-step explanation:

We have to calculate a 95% confidence interval for the mean of a finite population.

The error is multiplied by the following finite population correction factor:

$cf=\sqrt{\frac{N-n}{N-1} }$

The standard deviation can be estimated as

$\sigma=\frac{s}{\sqrt{n}} \sqrt{\frac{N-n}{N-1} } =\frac{24.4}{\sqrt{32} }* \sqrt{\frac{200-32}{200-1} }=3.963$

The 95% confidence interval has a z value of 1.96, so it becomes:

$M-z*\sigma_c\leq\mu\leq M+z*\sigma_c\\\\150.6-1.96*3.963\leq\mu\leq 150.6+1.96*3.963\\\\ 142.8 \leq\mu\leq 158.4$

5 0

2 years ago

Nate's quiche is cut into 7 equal parts. Only 3/7 of the quiche is left. He wants to give 3 friends an equal part. Write 3/7 as

AleksandrR [38]

It will equal 3 because
7/1×3/7 will equal 3

5 0

2 years ago

What is the value of X=

frozen [14]

Answer:

In x + 2 = 7, x is a variable,

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

in a test correct answer are given positive numbers and for incorrect negative numbers jack scored in successive rounds were-65,

eimsori [14]

Answer:

<em>Jack scored a total of -40</em>

Step-by-step explanation:

<u>Arithmetic</u>

Jack took a test where the correct answers are given as positive numbers and the incorrect answers are negative numbers.

The scores were

-65,-10,-15,20,30

The total score is the arithmetic sum of all scores, including their signs:

Total score: -65-10-15+20+30

Total score: -40

Jack scored a total of -40

4 0

2 years ago

What is bigger 1/5 or 2/10

trasher [3.6K]

They are equal...1/5 is half of 2/10

5 0

3 years ago