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irina1246 [14]
3 years ago
15

Bob nailed wooden board sections to a fence. He nailed 2/9 of a section in 1/10 hour. Explain how to use the information in the

problem to find two different unit rates.
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
4 0
Your fractions are your units and rates.

A "section" is a unit and 2 of 9 sections is a rate.
An hour is a unit and 1 of 10 hours is a rate.

You can multiply the fractions and create a new unit rate that would measure a section per hour.
I hope this helps.
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A political pollster conducted a study to determine political party loyalty. To do so, he selected a random sample of 100 regist
Reika [66]

Answer: (a)

P - Value = 0.0981 is high, this indicates stronger evidence that we should fail to reject the null hypothesis: H0: pD = pR (There is no significant difference between the proportion of Democrats who plan to vote for the Democratic candidate in the upcoming election and the proportion of Republicans who plan to vote for the Republican candidate in the upcoming election). P - Value = 0.0981 is the probability of obtaining results at least as extreme as the observed results of the Hypothesis Test, assuming that the null hypothesis is correct.

(b)

Since P - Value = 0.0981 is greater than \alpha = 0.05, the difference is not significant. Fail to reject null hypothesis.

(c)

Since in the Hypothesis Test, we have failed to reject null hypothesis, we could have made: Type II Error: Failure to reject a false null hypothesis. One potential consequence of this error is as follows:

Suppose in reality there is significant difference between the proportion of Democrats who plan to vote for the Democratic candidate in the upcoming election and the proportion of Republicans who plan to vote for the Republican candidate in the upcoming election. But the political pollster wrongly concludes that there is no significant difference between the proportion of Democrats who plan to vote for the Democratic candidate in the upcoming election and the proportion of Republicans who plan to vote for the Republican candidate in the upcoming election. Type II Error is committed in this situation. The consequence of this Type II Error is that the political pollstar will that the political parties are loyal and will not do any follow up work whereas in reality it is not so.

Step-by-step explanation:

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5 0
3 years ago
Carl bought 5 jars of relish at a cost of $1.76 per jar. He also bought 5 cans of tuna at a cost of $0.84 pre can . How much did
MArishka [77]
1.76x5=
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So, carl spent $8.80 on relish
Hope this helps!
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