Mathematics, 06.12.2019 19:31 brooke0713
Two types of phone operating system are being tested to determine if there is a difference in the proportions of system failures (crashes). fifteen out of a random sample of 150 phones with os1 had system failures within the first eight hours of operation. ten out of another random sample of 150 phones with os2 had system failures within the first eight hours of operation. os2 is believed to be more stable (have fewer crashes) than os1.
Answers: 3
Mathematics, 21.06.2019 15:10
Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14
Answers: 2
Mathematics, 21.06.2019 16:00
One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7
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Mathematics, 21.06.2019 17:00
If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?
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