Help with math homework pls!! NO WRONG ANSWERS PLS!!
1 answer:
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Answer:
Hey there!
The correct option is A
How ?
- -5 represents x' ,which tells us that the respected option is in Left side
- 4 represents y, which tells us that the respective option is upward side
- and Option A is at left and upward side
hope it helped you:)
Answer:
Step-by-step explanation:
We know that,
where
r = number of successful trials = 122,
n = 328
p = proportion
From probability distribution we also know that,
for a 99% confidence level = 2.576
Marginal error will be,
Putting the values,
So the interval will be,