Mathematics, 05.12.2019 04:31 megankbrown
Amanufacturer of batteries routinely tests its products to determine lifetime (hours of continuous usage). suppose they select a sample of 30 aaa batteries and find that the average lifetime is 1500 hours. what is this called? a. a statistic b. the sampling frame c. the population d. a sample e. a parameter
Answers: 3
Mathematics, 21.06.2019 15:00
What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5
Answers: 1
Mathematics, 21.06.2019 18:00
On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?
Answers: 1
Mathematics, 21.06.2019 18:30
Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 β2.00 8.4 β8.4
Answers: 2
Amanufacturer of batteries routinely tests its products to determine lifetime (hours of continuous u...
Biology, 14.05.2020 03:57
Mathematics, 14.05.2020 03:57
English, 14.05.2020 04:57
Mathematics, 14.05.2020 04:57