natalievick03
12.04.2021 •
Mathematics
A health administration recommends that individuals consume 950 mg of calcium daily. After an advertising campaign aimed at male teenagers, a dairy association states that male teenagers on average consume more than the recommended daily amount of calcium. To support this statement, the association obtained a random sample of 40 male teenagers and found that the mean amount of calcium consumed was 965 mg, with a standard deviation of 120 mg. Is there significant evidence to support the statement of the association at the alpha equals0.05 level of significance
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Ответ:
P + t -7 =6
10+3-7=6
10+3=13
13-7=6
P=10 t=3