if the mean is 70 minutes, then 90 minutes is 2 standard deviations above 70. if you look at the bell curve i drew, the percent of exams that took over 90 minutes is 2.5%
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I can’t type it out but the equation is Pi(radius)^2
Answer:
actually it is
Step-by-step explanation:
i skipped the whole question except the last sentence's few words
Hanukkah, because that is what holiday it is used for. (Though I'm Christian and I don't know what the heck a creche is) but it says Christmas, so yeah. Hanukkah.
