dommalb
26.04.2021 •
Mathematics
Your medical research team is investigating the standard deviation of the cost of a 30-day-supply of a certain heart medication. A pharmaceutical company thinks that the standard deviation of the cost is less than $23. You want to support this claim. How would you write the null and alternative hypothesis?
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Ответ:
56 weeks in 1 yr
8*56= glasses a yr