What can you conclude about the two operating systems 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 OS 1 had system failures within the first eight hours of operation Nine out of another random sample of 150 phones with OS 2 had system failures within the first eight hours of operation OS 2 is believed to be more stable (have fewer crashes) than OS 1

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Question: What can you conclude about the two operating systems? Two types of phone operating system are being tested to determine if there is a difference

What can you conclude about the two operating systems?

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. Nine 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.

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