Mathematics, 01.05.2021 21:30 ladybugys
A wedding website states that the average cost of wedding in 2017 was $25764. One concerned bride hopes that the average is less than reported. To see if her hope is correct, she surveys 55 recently married couples and finds that the average cost of wedding is the sample was $23,015. Assuming that the population standard deviation is $7235, is there sufficient evidence to support the brides hopes at the 0.10 level of significance? Source: The wedding Report, Inc. "Cost of Wedding". 2019
Answers: 1
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Mathematics, 21.06.2019 17:00, lefarrioe8621
The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?
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