Q7. The 95% C.I. is calculated as 95% C.I.= X ± 1.96 and the %3D n 99% C.I. is calculated as 99% C.I.= X ± 2.57 How will happen the Confidence Interval change when it is increased from 95% to 99% using the same sample.

A: For a negative exponent, we will use reciprocal first.

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A: First we calculate 2^5.2^5= 2x2x2x2x2=32

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A: 3+4=7

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A: If the confidence interval contains the value 0, the null hypothesis is not rejected.  If the…

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A: Given that: