Mathematics, 04.07.2020 14:01 coolusername1314
Yahoo creates a test to classify emails as spam or not spam based on the contained words. This test accurately identifies spam (if it is actually spam) 95% of the time. On the other hand, if an email isn't spam, the test will incorrectly classify it as spam 5% of the time. The prevalence of spam emails is 3 in 10.i) What's the probability that an email picked at random is spam? What's the probability that an email picked at random isn't spam?ii) If you test an email and it reports positive for spam, what is the probability that it is spam? Show your work. iii) If you test an email and it reports negative for spam, what is the probability that it is spam? Show your work.
Answers: 2
Mathematics, 21.06.2019 14:30
Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left
Answers: 3
Mathematics, 21.06.2019 22:00
If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?
Answers: 3
Mathematics, 21.06.2019 23:40
20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range
Answers: 1
Yahoo creates a test to classify emails as spam or not spam based on the contained words. This test...
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