Answer: The margin of error =
Step-by-step explanation:
Given
Sample size (n) = 1000
Population proportion = 0.4
= 1 - confidence level
= 1 - 0.95
= 0.05
= 0.03
The margin of error change to to
Answer:
hey hey are u why and who
Step-by-step explanation:
.
Answer: Fourth option is correct.
Step-by-step explanation:
Since we have given that
Number of cards = 8
Probability of the correctness of the car =
Since there are two possibilities of the card i.e. correct and incorrect.
Let the number of correct answer that his dog chooses be 'x'.
Since we will apply Binomial theorem:
n = 8
p =
So, Mean would be
Hence, Fourth option is correct.
Answer:
7: 45
Step-by-step explanation:
8:05
Subtract 20 minutes
8:05
- 20
-------------
We need to borrow minutes 1 hour = 60 minutes
7:65
- 20
-------------
7 :45