A real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found that the mean age was 47 years old, with a standard deviation of 10
years. Suppose that these measures are valid for the population of all home buyers. Complete the following statements about the distribution of all ages of home

(a) According to Chebyshev's theorem, at least 36%, 56%, 75%, 84%, 89% of the home buyers' ages lie between 27 and 47 years old
(b) According to Chebyshev's theorem, at least 56% of the home buyers' ages lie between years and years (Round to the nearest whole number.)

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x