Answer:
Step-by-step explanation:
(1/4 + 1/9 + 1/3)x = 25.
x = 36
Answer:
the input for all is add 4
Step-by-step explanation:
Answer:
the answer is 112
Step-by-step explanation:
901-789=112
Answer:
option (a) It will be closer to 30 than to 20
Step-by-step explanation:
Data provided in the question:
For sample 1:
n₁ = 10
variance, s₁² = 20
For sample 2:
n₂ = 15
variance, s₂² = 30
Now,
The pooled variance is calculated using the formula,

on substituting the given respective values, we get

or
= 26.0869
Hence,
the pooled variance will be closer to 30 than to 20
Therefore,
The correct answer is option (a) It will be closer to 30 than to 20
Answer:
He will be able to eat nine times.
Step-by-step explanation:
Because nine times nine is 91 which is on one less then what he has, so that means he will be able to eat there nine times. Hope I helped