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3 years ago

Which option is the correct interpretation of this numerical expression?

Mathematics

1 answer:

telo118 [61]3 years ago

7 0

Answer:

Step-by-step explanation:

bc 11×5=55 so you divide it and its 11-4=7 :)

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To estimate the mean of a population with unknown distribution shape and unknown standard deviation, we take a random sample of

Naddika [18.5K]

Answer:

$t_{critical} = \pm 1.7793$

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 64

Sample mean = 22.3

Sample standard deviation = 8.8

We want to estimate 92% confidence interval.

92% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

Degree of freedom = n - 1 = 63

$t_{critical}\text{ at degree of freedom 63 and}~\alpha_{0.01} = \pm 1.7793$

$22.3 \pm 1.7793(\dfrac{8.8}{\sqrt{64}} ) = 22.3 \pm 1.95723 = (20.34,24.26)$

7 0

3 years ago

Hey guys can yall please help me out?

Ne4ueva [31]

Answer is a because it is what it is jk didnt want to explain

5 0

3 years ago

Witch is greater 60% or 5/8

ycow [4]

Answer:

5/8

Step-by-step explanation:

5/8 equals 62.5% so it is greater than 60%.

i hope this helps

8 0

3 years ago

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3α – 3 (α + 2)<br> =10 please help

Sloan [31]

Step-by-step explanation:

3a-3(a+2)=10

3a-3a-6=10

+3 +3

6a-6=10

+6 +6

6a=16

3 0

3 years ago

Help Please! Answer ASAP!

Lilit [14]

Answer: Its C SAS

Step-by-step explanation:i know because i dont know

4 0

3 years ago

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