Mathematics
09.01.2022 23:11
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Acarpenter lays 16 square feet in 2/3 of an hour how many square feet does the carpenter
Acarpenter lays 16 square feet in 2/3 of an hour how many square feet does the carpenter lay per hour
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dondre54
4,8(100 marks)
(2/3)/2=1/3; 1/3*3=3/3
So...
16/2=8; 8*3=24
The answer is 24 square feet per hour
So...
16/2=8; 8*3=24
The answer is 24 square feet per hour
AdoNice
4,4(76 marks)
(-19.92, 21.488)
Step-by-step explanation:
given data:
98% confidence interval
Critical value of z at 98% confidence interval is t = 2.33
standard deviation = 5.031
sample mean = 9.808
z statistic to construct 98% confidence interval.
Margin of error = t * standard deviation = 2.33 * 5.013 = 11.680
98% confidence interval of mean is,
(9.808 - 11.68, 9.808 + 11.68)
(-19.92, 21.488)
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