Answer:
a=12 b= 19200
Step-by-step explanation:
Answer:
4/9
Step-by-step explanation:
Answer:
Step-by-step explanation:
The sample proportion 

The null hypothesis and the alternative hypothesis:

Thus; the test statistics is:





P-value = 2 × P(Z< - 1.768)
From the z tables
P-value = 2 × 0.03853
P-value = 0.07706
Thus, the p-value is 0.05 < P-value < 0.10
Let c represent the number of children Mama has. The number of notebooks she has is
.. 13c +8 = 15c
.. 8 = 2c
.. c = 8/2 = 4
Mama has 4 children and 60 notebooks.