A web based software company is interested in estimating the proportion of individuals who use the Firefox browser. In a sample of 200 of individuals, 18 users stated that they used Firefox. Using...

1 answer below »
A web based software company is interested in estimating the proportion of individuals who use the Firefox browser. In a sample of 200 of individuals, 18 users stated that they used Firefox. Using this data, construct a 99% confidence interval for the proportion of all individuals that use Firefox.
(...

Answered Same DayDec 20, 2021

Answer To: A web based software company is interested in estimating the proportion of individuals who use the...

Robert answered on Dec 20 2021
129 Votes
99% Confidence Interval for p
p̂ = x
n
= 18200 = 9/100 = 0.09
Significance level = α = 1− confidence = 1 − 0.99 = 0.01
Critical z-value = zα/2 = z0.01/2 = z0.005 = 2.58 (closest value From z table)
Standard error of p̂ : SE =
√
p̂× (1 − p̂)
n
=
√
0.09 × 0.91
200 ≈ 0.020236
E = zα/2...
SOLUTION.PDF
SOLUTION.PDF

Answer To This Question Is Available To Download

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here
Have files?
April
January
February
March
April
May
June
July
August
September
October
November
December
2025
2025
2026
2027
SunMonTueWedThuFriSat
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
00:00
00:30
01:00
01:30
02:00
02:30
03:00
03:30
04:00
04:30
05:00
05:30
06:00
06:30
07:00
07:30
08:00
08:30
09:00
09:30
10:00
10:30
11:00
11:30
12:00
12:30
13:00
13:30
14:00
14:30
15:00
15:30
16:00
16:30
17:00
17:30
18:00
18:30
19:00
19:30
20:00
20:30
21:00
21:30
22:00
22:30
23:00
23:30