Total weight of the 8 backpacks = 8 x 14 = 112 pounds
Total weight of the 12 backpacks = 12 x 9 = 108 pounds
Total weight of all the 20 backpacks = 220 pounds
Mean weight of the 20 backpacks = 220 ÷ 20 = 11 pounds
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Answer: The mean weight of the 20 backpacks is 11 pounds
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Answer:
We fail to reject the null hypothesis at 0.05 significance level. We cannot say that less than 12% of trips include a theme park visit.
Step-by-step explanation:
let p be the proportion of trips included a visit to a theme park.
: p=0.12
: p<0.12
To test, we need to calculate test statistic of the sample proportion as:
z=
where
- p(s) is the sample proportion of trips included visit to a theme park (
- p is the proportion assumed under null hypothesis. (0.12)
- N is the sample size (1565)
Using the numbers, z=
= −0.767 and p(z) is ≈0.222
Since 0.222 > 0.05 we fail to reject the null hypothesis.
Answer:
154,226 - (154,226 * 104) = x
Step-by-step explanation:
for this we have to think that the people who moved left, so they have to subtract
lake residents are 154,226
then we would have to subtract those who moved
that we calculate them as 14% of residents
0.14*154,226
then we finally have
154,226 - (154,226 * 104) = x
Answer:
D. 
Step-by-step explanation:
Graph
Pls give Brainliest
Answer:
$18.03 to nearest cent
Step-by-step explanation:
There are 52 weeks in the year so the weekly income = $37,500 / 52
So for a 40 hours week hourly pay = 37,500 / (52 * 40)
= $18.03 to nearest cent
