Answer:
Yes
We fail to reject the alternative hypothesis Hₐ < 30, that is the average age of students is less than 30
Step-by-step explanation:
Yes because, there is an average age of a sample which can be tested against a null hypotheses
We put
Null hypothesis as H₀ = 30
The alternative hypothesis as Hₐ < 30
We have
With
= 29
μ = 30
σ = 5.2
n = 65
α = 10%
We have
Here we have z = -1.55 and critical z = -1.28
Which gives a critical of 29.83 with the probability P = 0.061 < 0.1 Hence we reject the null hypothesis as there is sufficient evidence to suggest that the average age is less than 30 years.
Answer:
4) 96°
Step-by-step explanation:
Supplementary angles add up to 180.
So 180-84=96
Answer:-1
Step-by-step explanation:
2 dollars gained in July 2 dollars gained in August and 5 dollars lost in September is -1
Answer:
i believe it's 992 i had this same question back in the day but i forget
The six in the right is 10times more than the 6 on the left then the other way arounft
