Select the following expressions. I will just list the letter choice:
A, C, D
Answer:
Step-by-step explanation:
(pk) * r = p * (kr)
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 =
ANSWER:
Domain: {3, 7, 4, a}
Range: {a, b, 4, 0}
Answer:
x=2 or x=−6
Step-by-step explanation: