hana560

12.04.2021 • 

Mathematics

Do male and female toddlers show a preference for certain colors? Researchers offer identical toys of four different colors to separate randomly selected samples of male and female children aged 15 to 20 months and
record which color toy is picked up first. Here are their results:
Color of first toy chosen
Red
Blue
Yellow
Green
TOTAL
Female 48
24
18
30
120
Male
55
34
9
18
116
TOTAL 103
58
27
44
236
Which of the following is the appropriate null hypothesis for this test?

Ответ:

lilmaddy8856

12.08.2022

Mathematics

---

25x + 4y is the total cost.

.06(25x+4y) is the total tax.
Rewrite using fractions then expand:

6/100 * (25x + 4y)
(150/100)x + (24/100)y
1.5x + .24y  is the expression to find tax.

---

0,0(0 оценок)