Answer:

a. We get 56 heads out of 100 tosses.
We will use one sample proportion test
x = 56
n = 100



Formula of test statistic =
=
=
refer the z table for p value
p value = 0.8849
a. We get 560 heads out of 1000 tosses.
We will use one sample proportion test
x = 560
n = 1000



Formula of test statistic =
=
=
refer the z table for p value
p value = .000148
p value of part B is less than Part A because part B have 10 times the number the tosses.
Answer:
4900
Step-by-step explanation:
73*67
70*70
7*7(10^2)
49(100)
4900
Answer:
X= 38
Step-by-step explanation:
A straight line is 180⁰ so we can subtract that by 133⁰ to get the degree on the inside of the triangle which is 47. You then add 47 and 95 to get 142. To get x you subtract 142 from 180
Answer:
12:27
Step-by-step explanation:
27 - 15 = 12
There are 12 girls and 15 boys.
12:27 is the ratio of girls to the total amount of students.
The answer is 11225 i think
hope it helps you