subject
Mathematics, 08.04.2020 20:27 JesusisLord2881

The number of texts sent last week by people in a certain age group is normally distributed with a mean of 42 texts and a standard deviation of 12 texts. Approximately what percent of people in this age group sent less than 30 texts last week ?
16%
34%
68%
84%

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 23:00
Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240
Answers: 1
question
Mathematics, 21.06.2019 23:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.
Answers: 3
question
Mathematics, 21.06.2019 23:30
Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.
Answers: 1
question
Mathematics, 22.06.2019 00:30
Proving the congruent supplements theorem
Answers: 3
You know the right answer?
The number of texts sent last week by people in a certain age group is normally distributed with a m...
Questions
question
Mathematics, 02.11.2021 19:10
question
Biology, 02.11.2021 19:10
question
Mathematics, 02.11.2021 19:10
question
Social Studies, 02.11.2021 19:20
question
Mathematics, 02.11.2021 19:20
question
Mathematics, 02.11.2021 19:20
Questions on the website: 13722367