This topic contains a solution. Click here to go to the answer

Author Question: A city planner wants to construct a confidence interval for the proportion of workers who would take ... (Read 919 times)

dollx

  • Hero Member
  • *****
  • Posts: 558

Question 1

Which is true about the sampling distribution of a statistic with sample size n?
I. The sampling distribution of the statistic will be approximately normal.
II. The spread of the sampling distribution is smaller when n is larger.
III. It is the set of possible values of the statistic from every possible sample of size n from the population.
◦ II only
◦ III only
◦ I, II, and III
◦ II and III
◦ I only

Question 2

A city planner wants to construct a confidence interval for the proportion of workers who would take public transportation to work if it were available. What sample size should he use to estimate the proportion to within 4 percentage points at a 90% level of confidence?
◦ 601
◦ 30
◦ 218
◦ 423
◦ 842


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dollx on Aug 30, 2019

debra928

  • Sr. Member
  • ****
  • Posts: 342
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For a complete list of videos, visit our video library