Mathematics, 06.04.2021 03:10 cordovatierra16
A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of 3364 with a mean life of 530 minutes. If the claim is true, in a sample of 75 batteries, what is the probability that the mean battery life would differ from the population mean by less than 16 minutes? Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 14:30
Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (โ3)ยท(โ2x) + (โ3)ยท(4) step 2: 12 + 6x + (โ12) step 3: 12 + (โ12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
Answers: 1
Mathematics, 21.06.2019 17:00
One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?
Answers: 3
Mathematics, 21.06.2019 17:30
Which of the following tables represents exponential functions?
Answers: 1
Mathematics, 21.06.2019 20:00
The total number of dental clinics total for the last 12 months was recorded
Answers: 3
A quality control expert at LIFE batteries wants to test their new batteries. The design engineer cl...
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