7) 0.8% of people in the country have a particular cold virus at any time. On a single day, a doctor sees 80 patients.

a) What is the probability that exactly 2 of them have the virus?
b) What is the probability that three or more of them have the virus?
c) State an assumption you have made in these calculations.

The answer is 0.108 but I’m really not sure how they got it! I got 1.08x10^-59 but I don’t really know how to get the real answer.

the answer to the question is a

step-by-step explanation:

it has the same slope and the same y-intercept.

y + 11 = -7/9(x - 18)

y + 11 =-7/9x + 14

b

y = -7/9x + 3

y-intercept (0, 3)

3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation: