Statistics problem on random sample
Course:- Basic Statistics
Reference No.:- EM13108713

Assignment Help
Expertsmind Rated 4.9 / 5 based on 47215 reviews.
Review Site
Assignment Help >> Basic Statistics

In a random sample of 800 customers selected for a short phone interview, 96 have stated that they have received their shipments late. The company's claim is that the percentage of late shipments is at or below 10%. Conduct a hypothesis test at a 0.05 level of significance.

1) The calculated (observed) value of the test statistic is?

2) What is the p-value for the test?

3) Is there sufficient evidence that the percentage of late shipments is larger than 10%?

Put your comment

Ask Question & Get Answers from Experts
Browse some more (Basic Statistics) Materials
HI6007 Research Proposal Assignment. A brief literature review of the research topic. Produce 2 to 3 pages on background information on your research topic. Research questions
Conduct a study to test the average level of guilt experienced by Christians, Jews, Buddhists, Muslims, and Hindus.- Could you use an ANOVA to analyze your data? Why or why no
What is the optimal strategy for producing 500 tons of newsprint pulp, 600 tons of packaging pulp, and 300 tons of print stock quality pulp at minimum cost?
The researcher in exercise decides to conduct the same study using a within - participates design to control for differences in cognitive ability.
A random sample of 144 with a mean of 300 and a standard deviation of 100 is taken from a population of 5000. Find an interval estimate for ยต such that we are 90% confident
1. Simulation is one way to find an expected value for Janet Dawes's problem as diagrammed in Figure 11.3. How could you construct a discrete approximation that would at le
(a) Model the policy bring the umbrella only when it rains" as a Markov chain by defining the state space and transition probabilities. (b) What percentage of the time is th
What is the probability that a randomly chosen employee is an Administrator if the employee has the opportunity of gaining promotion next year?