2. Explain the meaning of the following statement: "We are 95% confident that between 42.1% and 61.7% of sea fans are infected.

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step-by-step explanation:

the picture is the step by step explanation.

faster, im not sure why but i know it is faster

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

i need points

step-by-step explanation: