1a poll finds that 54 of the 600 people polled favor the

Reference no: EM13353678

1. A poll finds that 54% of the 600 people polled favor the incumbent. Shortly after the poll is taken, it is disclosed that he had an extramarital affair. A new poll finds that 50% of the 1030 polled now favor the incumbent. We want to know if his support has decreased. In computing a test of hypothesis with , what is the estimate of the overall proportion?

A. 52%
B. 52.5%
C. 51.5%

2. A poll finds that 54% of the 600 people polled favor the incumbent. Shortly after the poll is taken, it is disclosed that he had an extramarital affair. A new poll finds that 50% of the 1030 polled now favor the incumbent. We want to know if his support has decreased. The test statistic is

A. z = 1.56.
B. z = -2.57.
C. z = -1.55.

3. A poll finds that 54% of the 600 people polled favor the incumbent. Shortly after the poll is taken, it is disclosed that he had an extramarital affair. A new poll finds that 50% of the 1030 polled now favor the incumbent. The standard error for a confidence interval for the candidate's latest support level is

A. 0.016.
B. 0.020.
C. 0.025.

Reference no: EM13353678

Questions Cloud

Qsuppose that the inverse demand curve for paper is p 200 : q.suppose that the inverse demand curve for paper is p 200 - q. the private marginal cost is mcp 80 q and the

1students often incorrectly believe that inference for a : 1.students often incorrectly believe that inference for a population proportion based on the sample proportion is

1i want to know which of two manufacturing methods will be : 1.i want to know which of two manufacturing methods will be better. i create 10 prototypes using the first process and

1i read an article about a new drug which stated that the : 1.i read an article about a new drug which stated that the incidence of side effects was similar to placebo p-value gt

1a poll finds that 54 of the 600 people polled favor the : 1.a poll finds that 54 of the 600 people polled favor the incumbent. shortly after the poll is taken it is disclosed

1a bank wants to get new customers for their credit card : 1.a bank wants to get new customers for their credit card. they try two different approaches in their marketing

1a manufacturer receives parts from two suppliers an srs of : 1.a manufacturer receives parts from two suppliers. an srs of 400 parts from supplier 1 finds 20 defective. an srs of

1a noted psychic was tested for esp the psychic was : 1.a noted psychic was tested for esp. the psychic was presented with 400 cards face down and asked to determine if each

1a manufacturer receives parts from two suppliers an srs of : 1.a manufacturer receives parts from two suppliers. an srs of 400 parts from supplier 1 finds 20 defective. an srs of

User Account

All Pages