Answer:
d) 65.9 in < μ < 67.1 in.
Step-by-step explanation:
Given that a 99% confidence interval (in inches) for the mean height of a population is 65.7 < μ < 67.3
Mean = average of 65.7 and 67.3 =
i.e. here margin of error =
For 99% confidence interval critical value is 2.58
Hence std deviation =
For 95% confidence interval critical value is 1.96
Margin of error =
Hence confidence interval =
d) 65.9 in < μ < 67.1 in. is right
Answer:
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Step-by-step explanation:
C)The matter that makes up rocks is never destroyed,but this matter does change form and move from place to place.
Answer:
43
Step-by-step explanation:
First, solve 5+8, which is 13. This results in this: 24 - (-6 - 13). Then, solve -6 - 13. This should be -19. This results in this equation: 24 - -19. Since subtracting a negative is the same as adding a positive, this is another way to put the equation: 24 + 19, which solves to 43.
Volume = the second answer = 65.45 m3