A researcher thinks that if expectant mothers use vitamins, the birth weight of the babies will increase. The average birth weight of the population is 3.9 kgs. What is the alternative hypothesis? a. Ha: ? > 3.9 b. Ha: ? < 3.9 c. Ha: ? = 3.9 d. Ha: ? ≠ 3.9

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.2: Representing Data
Problem 20PFA
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A researcher thinks that if expectant mothers use vitamins, the birth weight of the babies will increase. The average birth weight of the population is 3.9 kgs. What is the alternative hypothesis?

a. Ha: ? > 3.9
b. Ha: ? < 3.9
c. Ha: ? = 3.9
d. Ha: ? ≠ 3.9
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