Answer:
(1,155, 1.545).
Step-by-step explanation:
From Normal distribution tables the z score for 95% CI = 1.96.
Confidence Interval
= 1.35 +/- 1.96 * 0.63/√40
= 1.35 +/- 0.195
= (1,155, 1.545).
Answer:
160
Step-by-step explanation:
10 x 20=200
10 - 2 = 8
8 x 20 = 160
Answer:
answer is yesterday was thrusdays
Answer:
52% play video games on their personal computer.
Step-by-step explanation:
884/1700 = 52%
Answer:70%
Step-by-step explanation: no. of cards last year=60
no. of cards presently=200
increase in no. of cards=200-60
=140
%change=140/200 x 100