subject
Mathematics, 06.12.2020 04:50 kenzie19169

The weights for a group of 18-month-old girls are normally distributed with a mean of pounds and a standard deviation of pounds. Use the given table to find the percentage of 18-month-old girls who weigh between and pounds. z-score
-3.0
-2.9
-2.8
-2.7
-2.6
-2.5
-2.4
-2.3
-2.2
-2.1
Percentile
0.13
0.19
0.26
0.35
0.47
0.62
0.82
1.07
1.39
1.79
z-score
-2.0
-1.9
-1.8
-1.7
-1.6
-1.5
-1.4
-1.3
-1.2
-1.1
Percentile
2.28
2.87
3.59
4.46
5.48
6.68
8.08
9.68
11.51
13.57
z-score
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
Percentile
15.87
18.41
21.19
24.20
27.43
30.85
34.46
38.21
42.07
46.02

% of 18-month-old girls weigh between and pounds.
(Round the final answer to the nearest hundredth as needed. Round the z-score to the nearest tenth as needed.)

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
question
Mathematics, 21.06.2019 18:30
41/17 as a decimal rounded to the nearest hundredth
Answers: 1
question
Mathematics, 22.06.2019 00:00
Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet
Answers: 1
question
Mathematics, 22.06.2019 00:00
Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start
Answers: 1
You know the right answer?
The weights for a group of 18-month-old girls are normally distributed with a mean of pounds and a s...
Questions
question
Chemistry, 12.03.2021 14:00