Answer:
(6+8)/2 = 7
Step-by-step explanation:
Answer: 3.905 rounded
Step-by-step explanation: The thousandth in this number is 4.
Round it up since when its 5 or more you add 1 more/raise the score
The answer is 3.905
Answer:
to
Step-by-step explanation:
Given :The owner of a restaurant is reviewing customer complaints. In a random sample of 227 complaints, 57 complaints were about the slow speed of the service.
To Find :Create a 95% confidence interval for the proportion of complaints that were about the slow speed of the service.
Solution:
n = 227
x = 57
Formula of confidence for proportion:
to






z at 95% is 1.96
Substitute the values in the formula :
Confidence for proportion:
to
Confidence for proportion:
to
Hence 95% confidence interval for the proportion of complaints that were about the slow speed of the service is
to
Answer:
A
Step-by-step explanation:
Because Im doing test corrections now :(