Answer:
<h2>1</h2>
Step-by-step explanation:
15 + 20 / 35
35/35 = 1 (certain)
The probability of choosing a female or senior is 1, because these are the only two groups represented in the class.
I'm always happy to help :)
Answer:
Step-by-step explanation:
Given
Required
Determine the amount paid
This is calculated as:
Answer:
it's 100
Step-by-step explanation:
70000
0000
600
80
1
I don't know if you understand
E: two and two fifths
F: two and 2 fifths
G:three and 4 fifths
H:3 and one half
The usual margin of error we strive for is a 95% probability that our estimate is within the margin. Assuming a normal distribution (and that we have a big enough sample not to worry about t tests) that corresponds to between minus and plus two standard deviations of the mean (remember the 68-95-99.7 rule). So our margin of error is plus or minus two standard deviations.
Answer: ±2%
