Answer: z =2.39
Step-by-step explanation:
Given :

A random sample of 136 households found that 43 consisted of one person.
i.e. Sample size : n= 136
Sample proportion : 
Test statistic for proportion :-


Hence, the value of the test statistic: z =2.39
Answer:
oop
Step-by-step explanation:
Answer: Divide by -2
Step-by-step explanation: In an equation where you have ab = n, then you divide by a. So then you get b = n/a.
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