Mathematics, 31.05.2020 02:57, atlantahead7011
Previously, an organization reported that teenagers spent an average of 4.3 hours per week, on average, on the phone. The organization thinks that, currently, the mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 5.75 hours with a sample standard deviation of 2.0. What are the null and alternate hypotheses
Answers: 3
Mathematics, 21.06.2019 14:00, Taylor73836
6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d. q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12
Answers: 1
Mathematics, 21.06.2019 23:50, trippie4life
Determine the area of a triangle with (see picture below)
Answers: 1
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