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10.12.2019 •
Mathematics
Hippocrates magazine states that 35 percent of all americans take multiple vitamins regularly. suppose a researcher surveyed 750 people to test this claim and found that 296 did regularly take a multiple vitamin. is this sufficient evidence to conclude that the actual percentage is different from 35% at the 5% significance level?
select the [p-value, decision to reject (rh0) or failure to reject (frh0)].
a) [p-value = 0.060, frh0]
b) [p-value = 0.010, frh0]
c) [p-value = 0.010, rh0]
d) [p-value = 0.005, rh0]
e) [p-value = 0.005, frh0
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Ответ:
p value = 0.005 for right tailed
Reject H0
Step-by-step explanation:
Given that Hippocrates magazine states that 35 percent of all Americans take multiple vitamins regularly.
Persons surveyed = 750
Of those survived no of persons who took multiple vitamin = 296
Sample proportion = p =0.395
q =1-p = 0.605
(Two tailed test)
Assuming H0 is true standard error =![\sqrt{0.35*0.65/750} \\=0.0174](/tpl/images/0411/4366/74674.png)
p difference = 0.045
Test statistic =![\frac{0.045}{0.0174} \\=2.58](/tpl/images/0411/4366/5b847.png)
p value = 0.005 for right tailed
Reject H0
Option d is right
Ответ:
I think its 2 F every hour.
Step-by-step explanation:
The time between 5am and 11am is 6 hours, so 12 divided by 6 is 2.