A tutoring company claims that 75% of the high school students who hire one of their tutors will improve their grades.  In a sample of 100 high school students, what is the probability that 80% or more improved their grades

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A: part 2given data 90% ci for pE = 0.07n = ?no prior estimate for p

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A: The required answers to the question asked is as in steps below.

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A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

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Q: QUESTION 4 A quality control technician is checking the weights (in grams) of a Nescafe Gold Blend…

A: Given data set50.3,49.6,51.3,49.8,51.3,49.9,51.1sample size(n)=7