The results of a random sample of 1000 people are recorded in table one use this data to answer the questions that follow of the 320 million people in the united states how many would you predict wear contact lenses

39.68 million[

Step-by-step explanation:

Remember that the sample is 1000 people.

Of those 1000 people we know that 762 wear corrective lenses. 124 of these people wear contact lenses.

The probability that a randomly selected person will wear contact lenses is:

Then, the expected number of people who wear contact lenses is:

Where N is given in units of millions.

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.