A website knows that currently 21% of site visitors make a purchase. After a redesign of the web site, 400 of the first 1600 site visitors made a purchase. What is the probability that more than 400 of these site visitors made a purchase?

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A: Follow step 2nd.

A: As per the  question we have to find the constant force of interest that will give rise to the…

A: We have to find the LCM of 77 and 18.

A: Here we have to find the integral value.

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A: Differentiate wrt x

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A: Option D is correct..

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A: This is improper integral of first kind, limit is ♾️

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