2. 1. A university planner wants to determine the proportion of spring semester students who will attend summer school. She surveys 32 current students discovering that 12 will return for summer school. Construct a 90% confidence interval estimate for the proportion of current spring students who will return for summer school.
3. 1. A health club annually surveys its members. Last year, 33% of the members said they use the treadmill at least 4 times a week. How large of sample should be taken this year to estimate the percentage of members who use the treadmill at least 4 times a week? The estimate is desired to have a margin of error of 5% with a 95% level of confidence.
Please find... View Full Answer

8393062.doc Download Attachment
. A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal
were given to consumers to try. The consumers were asked whether they liked or disliked the
cereal. You are.... A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal
were given to consumers to try. The consumers were asked whether they liked or disliked the
cereal. You are given the following responses: 60 people liked the cereal, 40 people did not
like the cereal. Construct a 95% confidence interval for the proportion of all consumers who
will like the cereal.
the interval is .6 1.96*(.6*.4/100).5 = 0.5039802 to .6960198
2. 1. A university planner wants to determine the proportion of spring semester students who
will attend summer school. She surveys 32 current students discovering that 12 will return for
summer school. Construct a... View Full Attachment Show more
The answer given does not match any of the options
1. A health club annually surveys its members. Last year, 33% of the members said they use the treadmill at least 4 times a week. How large of sample should be taken this year to estimate the percentage of members who use the treadmill at least 4 times a week? The estimate is desired to have a margin of error of 5% with a 95% level of confidence.
Answer
a. 359
b. 347
c. 340
d. 352
PLease find the... View Full Answer

8393062revised.doc Download Attachment
. A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal
were given to consumers to try. The consumers were asked whether they liked or disliked the
cereal. You are.... A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal
were given to consumers to try. The consumers were asked whether they liked or disliked the
cereal. You are given the following responses: 60 people liked the cereal, 40 people did not
like the cereal. Construct a 95% confidence interval for the proportion of all consumers who
will like the cereal.
the interval is .6 1.96*(.6*.4/100).5 = 0.5039802 to .6960198
2. 1. A university planner wants to determine the proportion of spring semester students who
will attend summer school. She surveys 32 current students discovering that 12 will return for
summer school.... View Full Attachment Show more
response was too late questions were time sensitive
The tutor submitted the first solution on time. It took tutor some time to revise the solution according to your requirements. Kindly accept the revised solution submitted by tutor.
Regards
Shaharyar
Moderator
"Thank you for the clarification, from your perspective! I have better understanding and can agree on that point. I do appreciate you and your time!"
Please accept the revised solution . I am attaching it again.
Your initial assignment did not give any options. these were given later and this caused problems in interpreting of the margin of error.

8393062revised.doc Download Attachment
. A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal
were given to consumers to try. The consumers were asked whether they liked or disliked the
cereal. You are.... A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal
were given to consumers to try. The consumers were asked whether they liked or disliked the
cereal. You are given the following responses: 60 people liked the cereal, 40 people did not
like the cereal. Construct a 95% confidence interval for the proportion of all consumers who
will like the cereal.
the interval is .6 1.96*(.6*.4/100).5 = 0.5039802 to .6960198
2. 1. A university planner wants to determine the proportion of spring semester students who
will attend summer school. She surveys 32 current students discovering that 12 will return for
summer school.... View Full Attachment Show more
I appreciate your honesty.