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

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idk the answer i want to say 10 but then it would be equal so try 9 but then yeah so yeah we love edgen

if farmer matt works for 8 hours a day, how many days will it take him to completely plant 12 rows of crops? each batch of cookies needs 3/4 cups of sugar.

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answerim :

n

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im not sure but my dad knows

slope= 1

y-inter slope= 0

x       y

o     0

1       1

2     2

ect.

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