SOLUTION: 349 people were asked if they were satisfied with their jobs. 34% said they were. H0: p = 0.42. a. -0.162 b. -3.028 c. 2.612 d. 4.125

Algebra.Com
Question 1116067: 349 people were asked if they were satisfied with their jobs. 34% said they were. H0: p = 0.42.
a. -0.162
b. -3.028
c. 2.612
d. 4.125

Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
Ha is p NE 0.42
alpha assumed to be 0.05 P(reject Ho|Ho true)
Test stat is p=(phat-p)/sqrt((p*(1-p)/n), p is 0.42, the Ho p
=-0.08/0.0264
=-3.028
I think the choices want the z value, and it is B.

RELATED QUESTIONS

Two hundred eighty-five viewers were asked if they were satisfied with TV coverage of a... (answered by Fombitz)
Three hundred one viewers were asked if they were satisfied with TV coverage of a recent... (answered by ewatrrr)
Two hundred ninety-two viewers were asked if they were satisfied with TV coverage of a... (answered by Fombitz)
In a poll, respondents were asked whether they were planning to vote in the local... (answered by greenestamps,MathLover1)
There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random... (answered by Theo)
A group of 2468 students were surveyed about the courses they were taking at their... (answered by ikleyn)
Two hundred eighty viewers were asked if they were satisfied with TV coverage of a recent (answered by Fombitz)
A hypothesis test is to be performed for a population proportion. For the given sample (answered by Boreal)
Statistics Instruction: Apply the five steps of hypothesis-testing procedure to each... (answered by solver91311)