Mrs. Jackson gave sum of money to her son and daughter in the ratio 8:9 her daughter received $3,060. How much did Mrs. Jackson give to her two children in all

$5780

Step-by-step explanation:

Mrs. Jackson gave sum of money to her son and daughter in the ratio 8:9 and her daughter received $3,060. To get the total amount given to the children goes thus:

Son = 8

Daughter= 9

Total = 8+9 = 17

Let the total amount given to the children be y. Since the daughter's share is $3060.

= 9/17 × y = 3060

= 9y/17 = 3060

9y = 3060 × 17

9y = 52020

y = 52020/9

y = 5780

Mrs Jackson gave out $5780

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.