subject
Mathematics, 01.07.2021 02:00 lowrain

A journal published a study of the lifestyle of visually impaired students. Using diaries, the students kept track of several variables, including the number of hours of sleep obtained in a typical day. These visually impaired students had a mean of 9.41 hours and a standard deviation of 2.09 hours. Assume that the distribution of the number of hours of sleep for this group of students is approximately normal. Complete parts a through c A. Find P(x>12)

B. Find P(8< x<10)

C. Find the value a for which P(x

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?
Answers: 1
question
Mathematics, 22.06.2019 02:00
Masons cell phone company charges $0.12 for every text message he sends plus $2.50 per month if mason sent 25 messages this month how much money does he owe the one with the correct answer and explanation gets 10 points and is marked as the brainliest answer
Answers: 1
question
Mathematics, 22.06.2019 02:30
Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?
Answers: 1
question
Mathematics, 22.06.2019 04:20
Which law states that if a conditional is true and its hypothesis is true, then the conclusion is true? a. the law of syllogism c. the law of detachment b. the law of conditional d. the law of deductive reasoning
Answers: 1
You know the right answer?
A journal published a study of the lifestyle of visually impaired students. Using diaries, the stude...
Questions
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Biology, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Spanish, 14.09.2020 06:01
question
French, 14.09.2020 06:01
question
English, 14.09.2020 06:01
question
Chemistry, 14.09.2020 06:01
question
Computers and Technology, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Mathematics, 14.09.2020 06:01
question
Physics, 14.09.2020 06:01
Questions on the website: 13722367