Mathematics, 29.06.2019 00:30 igtguith
For certain types of laptops, the length of time between charges of the battery is normally distributed with a mean of 8 hours and a standard deviation of 1.75 hours when in full use. a store owner randomly chose a sample of 32 laptops from his stock.
what is the sampling distribution of the mean length of time of these 32 laptops? give the distribution, the mean and the standard deviation.
what is the probability that the mean length of time is less than 8.5 hours?
Answers: 2
Mathematics, 20.06.2019 18:02
275/20 simplified (lmbo it told me to add more characters)
Answers: 2
Mathematics, 21.06.2019 12:40
20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9
Answers: 2
Mathematics, 21.06.2019 16:40
What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1
Answers: 3
Mathematics, 21.06.2019 17:00
Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have
Answers: 1
For certain types of laptops, the length of time between charges of the battery is normally distribu...
English, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
Physics, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
Social Studies, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
History, 23.02.2021 17:00
Chemistry, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
English, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
English, 23.02.2021 17:00
Mathematics, 23.02.2021 17:00
Social Studies, 23.02.2021 17:00