Mathematics, 23.07.2019 17:30 dontcareanyonemo
The life in hours of a 75-watt light bulb is known to be normally distributed with σ = 25 hours. a random sample of 20 bulbs has a mean life of x = 1014 hours. (a) construct a 99% two-sided confidence interval on the mean life. (b) construct a 99% lower-confidence bound on the mean life. compare the lower bound of this confidence interval with the one in part (a).
Answers: 1
Mathematics, 21.06.2019 19:00
Which statement best explains why ben uses the width hi to create the arc at j from point k
Answers: 2
Mathematics, 21.06.2019 22:00
Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.
Answers: 1
Mathematics, 21.06.2019 22:30
Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?
Answers: 1
Mathematics, 21.06.2019 23:30
What is the simplified form of square root of 400 to the 100th power ?
Answers: 1
The life in hours of a 75-watt light bulb is known to be normally distributed with σ = 25 hours. a r...
English, 08.03.2021 22:30
Mathematics, 08.03.2021 22:30
History, 08.03.2021 22:30
Mathematics, 08.03.2021 22:30
Mathematics, 08.03.2021 22:30
Mathematics, 08.03.2021 22:30
Mathematics, 08.03.2021 22:30
History, 08.03.2021 22:30
English, 08.03.2021 22:30
Chemistry, 08.03.2021 22:30
English, 08.03.2021 22:30