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OleMash [197]
3 years ago
14

What would you want to measure the length of a flag pole in?

Mathematics
1 answer:
morpeh [17]3 years ago
3 0
You would most likely measure it in yards.
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Let μ denote the true average radioactivity level(picocuries per liter). The value 5 pCi/L is considered thedividing line betwee
VMariaS [17]

Answer:

H0: μ = 5 versus Ha: μ < 5.

Step-by-step explanation:

Given:

μ = true average radioactivity level(picocuries per liter)

5 pCi/L = dividing line between safe and unsafe water

The recommended test here is to test the null hypothesis, H0: μ = 5 against the alternative hypothesis Ha: μ < 5.

A type I error, is an error where the null hypothesis, H0 is rejected when it is true.

We know type I error can be controlled, so safer option which is to test H0: μ = 5 vs Ha: μ < 5 is recommended.

Here, a type I error involves declaring the water is safe when it is not safe. A test which ensures that this error is highly unlikely is desirable because this is a very serious error. We prefer that the most serious error be a type I error because it can be explicitly controlled.

7 0
3 years ago
John purchased a carr in 1961 for $12,000. Experts estimate that its value will increase by 5% per year. How much will be the co
dexar [7]

Answer:

B

Step-by-step explanation:

I'm super lazy rn and it doesn't need explanation

5 0
3 years ago
Erica sells magazine subscriptions and makes a flat rate of $5.35 for each subscription see cells if Erica man $42.80 on Monday
Kay [80]
Erica would have sold 121 subscriptions in 3 days.
4 0
3 years ago
Read 2 more answers
An oblique cylinder has a radius of 10 units and slant length of 26 units.
GREYUIT [131]

Answer:

A. 2,400π cubic units

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What two numbers multiplies to 36 and add to negative 21
anastassius [24]
Factor 36 and add them, make sure both are negatie
1+36=37, nope
2+18=20 nope
3+12=15,nope
4+9=13, nope
6+6=12, nope

the closest one is 20

I hope you meant adds to -20, because if you did, then answer is -2 and -18

if you did mean 36 and adds to -21, then the numbers are \frac{-21-3 \sqrt{33} }{2} and \frac{-21+3 \sqrt{33} }{2}, aprox -19.1168 and  -1.8831
6 0
3 years ago
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