Answer:
B) 7^2 x 7^3
Step-by-step explanation:
B is 7^5 , everything else is 7^4
Answer:
false
Step-by-step explanation:
just trust me
Answer:
p value = 0.03514
Step-by-step explanation:
Hypotheses would be
(left tailed test at 10% level of significance)
Here p stands for the sample proportion of mothers smoked more than 21 cigarettes during their pregnancy.
Sample size =130
persons who smoked = 2
Sample proportion =
Assuming H0 to be true
Std error=
p difference = -0.0346
Test statistic z=-1.81
p value = 0.03514
Since p is less than 0.10, significance level, we reject H0
Answer:
3 and 2
Step-by-step explanation:
3 x 2 = 6
3 + 2 = 5