Ok so what you will do is 3-18 then you will add 1 and make is to 400X1
Answer:
simplified form -
Exact form - 55/6
Decimal form - 9.16..
Mixed number form - 9 1/6
Step-by-step explanation:
Answer: option D
Step-by-step explanation:
The formulae for standard error = standard deviation/√n
But population standard deviation = 1.8 and sample size = n = 81
Standard error = 1.8/√81 = 1.8/9 = 0.2
Answer:
a
Step-by-step explanation:
theres a 90 degree angle and a has a 95 so thats pretty close