The first discount on a camera was 18%. The second discount was 20%. After the two discounts the price became $328. What was the
1 answer:
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Answer: a) 0.7878, b) 0.8723
Step-by-step explanation:
Since we have given that
Nicotine present Nicotine absent
Self-reported non smoker 82 14
Self-reported smoker 12 52
(a) What is the sensitivity of the self-reported smoking status?
(b) What is the specificity of the self-reported smoking status?
Hence, a) 0.7878, b) 0.8723