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KATRIN_1 [288]
2 years ago
14

How many times does 70 go into 1000

Mathematics
2 answers:
Leya [2.2K]2 years ago
7 0
14.2857143 times that's how many times
densk [106]2 years ago
7 0
70 can go in to 1,000 [14 times]
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Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard d
Ostrovityanka [42]

The margin of error of the random selection is 0.29

The given parameters are:

n = 320 --- the sample size

\sigma = 2.9 --- the standard deviation

\bar x = 24 --- the mean

\alpha = 90\% --- the confidence level.

The margin of error (E) is calculated as follows:

E = z \times \sqrt{\frac{\sigma^2}{n}}

So, we have:

E = z \times \sqrt{\frac{3.2^2}{320}}

E = z \times \sqrt{\frac{10.24}{320}}

The z-value for 90% confidence level is 1.645.

Substitute 1.645 for z

E = 1.645 \times \sqrt{\frac{10.24}{320}}

E = 1.645 \times \sqrt{0.032}

Take square roots

E = 1.645 \times 0.1789

Multiply

E = 0.2943

Approximate

E = 0.29

Hence, the margin of error is 0.29

Read more about margin of error at:

brainly.com/question/14396648

5 0
2 years ago
Read 2 more answers
Jamie earns $36 for 4 hours of work. What is her hourly pay rate?
Delicious77 [7]

Answer:

9 dolloars an hour man thats great pay

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
In a highschool, 2/5 of the boys make up 250 students. how many boys are there in the high school?
stiv31 [10]

Answer:100 boys

Step-by-step explanation:

250 / 5 is 50.

50 x 2 is 100.

3 0
2 years ago
How do i figure this out?
julsineya [31]

Answer:

Step-by-step explanation:

put the left hand numbers into your calculator, find the answers.

put the equations at the bottom in your calculator and figure out which is equal to which

1. fourth answer on the botton

2. first one

3. third one

4. second one

4 0
2 years ago
Simplify the square root of 320
Pavlova-9 [17]
17.89, is this an option?
5 0
3 years ago
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