Answer:
Use the app photomath
Step-by-step explanation:
6 should be the answer if I’m sure. B t w n i c e s o c I a l s p a c I n g
Answer:
The problem is represented by a division.
She lost 4 points for each missed question
Step-by-step explanation:
If Lina lost a total of 32 points in 8 questions weighted equally, to find out how many points she lost per question, we should divide the total number of points lost (32) by the number of questions she missed (8).
This will give us the number of points lost per each missed question:
Points lost per question =
So this is clearly a division problem.
The confidence interval for the mean usage of water is (18.7,20.5).
Given population standard deviation of 2.4, mean of 19.5 gallons per day and confidence interval of 98%.
We have to find the confidence interval for the mean usage of water.
To find out the confidence interval we have to first find margin of error.
μ=19.5
σ=2.4
α=0.98
α/2=0.49
We have to find the z value for the p value 0.49 which is z=2.33
Margin of error=z*μ/
=2.33*19.5/
=0.82
lower level=mean -m
=19.5-0.82
=18.68
after rounding upto 1 decimal
=18.7
upper mean = mean+m
=19.5+0.82
=20.52
Hence the confidence interval for the usage of water is (18.7,20.52).
Learn more about margin of error at brainly.com/question/10218601
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Don't let fractions fool you.
of a tank in
an hour is equal to:
1/12 of a tank in 20 minutes.
Thus we know in an hour, an oil company can fill 3/12 of a tank (60 minutes in an hour).
3 x 4 = 12, and 12/12 = 1(a whole tank), so we multiply 1 (hour) by 4.
Our answer is that it takes 4 hours to fill a tank.