Answer:
No, because 70% of a class of 30 students would be 21, not 24
Step-by-step explanation:
Answer: 2.25
Explanation:
Let the width be x
Length = 3x
Perimeter of frame = 18
2(l + w) = 18
2(3x + x) = 18
2(4x) = 18
8x = 18
x = 18/8
x = 2.25 feet
Answer:
2 box probability=12/2
22/12 is answer
Step-by-step explanation:
Hope this helps!!
Hopefully, i am not late
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: 1
Heres why: If you subtract the 1 from 2 you get 1