Answer:
t(n) = 8n - 359
Step-by-step explanation:
t(n) = t1 + (n - 1)(d)
t(n) = -351 + (n - 1)(8)
t(n) = -351 + 8n - 8
t(n) = 8n - 359
Answer:
(e) the mean number of siblings for a large number of students has a distribution that is close to Normal.
Step-by-step explanation:
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean
and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
By the Central Limit Theorem
The sampling distributions with a large number of students(at least 30) will be approximately normal, so the correct answer is given by option e.
Answer:
x = 7
Step-by-step explanation:
7 = 7
It's given
Answer:
Step-by-step explanation:
The lower cortile is 19 because that's the lowest number and the medium cortile is 24 because it's in the middle.
Answer:
30 because you have two choices with the same probability
Step-by-step explanation: