Answer:c.
Step-by-step explanation:
I’m pretty sure but I’m sorry if I’m wrong
Answer:
The 90% confidence interval for the mean is (170.87 , 189.13)
Step-by-step explanation:
Using the calculator we can easily calculate the 90% confidence interval for the mean, the given values are:
mean=180
sx : 38.5
n : 50
c - Level : 0.90
Then the output will be [170.87 , 189.13]
Term = 5x^2
h = variable
21 is a constant
I think ab is an expression or the product of two factors.
The answer is 0.2 hope it helps