Mathematics, 04.10.2021 14:00 gaboalejandro833
Forever Power Company analysts conducted tests on the life of its batteries and those of a competitor (Brand X). They found that their batteries had a mean life (in hours) of
26.6, with a standard deviation of 4.3. Their results for a sample of 10 Brand X batteries were as follows: 13, 17, 20, 24, 26, 26, 29, 32, 34, 37.
a. Find the mean and standard deviation for the sample of Brand X batteries.
b. Which batteries have a more uniform life in hours?
c. Which batteries have the highest average life in hours?
Answers: 2
Another question on Mathematics
Mathematics, 20.06.2019 18:04
Note: enter your answer and show all the steps that you use to solve this problem in the space provided. x − 2 − 1 0 1 2 y use the function rule to complete the table. − 10 x + y = 4
Answers: 1
Mathematics, 21.06.2019 19:30
Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.
Answers: 1
Mathematics, 21.06.2019 21:00
Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step
Answers: 3
You know the right answer?
Forever Power Company analysts conducted tests on the life of its batteries and those of a competito...
Questions
Biology, 16.10.2019 23:00
Mathematics, 16.10.2019 23:00
Mathematics, 16.10.2019 23:00
History, 16.10.2019 23:00
Chemistry, 16.10.2019 23:00
