What does h(40) =1400 mean in terms of the problem ?
2 answers:
Answer:
<h2>B. A worker with 40 hours of training is paid $1400 per month.</h2>Step-by-step explanation:
Because in chart we have the values of both variables, dependent and independent. So, according to that information, 40 hours of training relates with a result of $1400 monthly pay.
So, the notation:
Means that 40 belongs to the independent variable and 1400, the result, it's the dependent one, because the money depends on how many hours of training.
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Answer with explanation:
Let p be the proportion of adults have heard of the new electronic reader.
Given claim : The accompanying technology display results from a test of the claim that 38% of adults have heard of the new electronic reader.
i.e.
Then , the set of hypothesis will be :-
Since, the alternative hypothesis is two tailed , so the test is two-tailed test.
Also, it is given that the sample size :
Number of adults showed that they have heard of a new electronic reader=522
So the sample proportion for adults have heard of the new electronic reader :
The test statistic for proportion is given by :-
By using standard normal distribution table , the P-value for two tailed test corresponds to the obtained z-value =