Are you saying that the percentage of dangerous fish

Assignment Help Basic Statistics
Reference no: EM131795106

Mercury in Freshwater Fish

Some experts believe that 20% of all freshwater fish in the United States have such high levels of mercury that they are dangerous to eat.

Suppose a fish market has 250 fish tested, and 60 of them have dangerous levels of mercury. Test the hypothesis that this sample is not from a population with 20% dangerous fish.

Use a significance level of 0.05. Comment on your conclusion: Are you saying that the percentage of dangerous fish is definitely 20%? Explain.

Reference no: EM131795106

Questions Cloud

Test the null hypothesis that the proportion of airplane : Test the null hypothesis that the proportion of airplane accidents due to pilot error is not 0.50. Use a significance level of 0.05.
Complete the consolidated workpaper for p and s : P Corporation acquired 80% of S Corporation on January 1, 2014 for $240,000 cash. Complete the consolidated workpaper for P and S for the year 2014.
What is a corporate reorganization : What is a corporate reorganization? What are the three types of divisive reorganizations? What is continuity of interest, and why is it important
How can the hr plan be aligned to the company objectives : How can the HR plan be aligned to the company's objectives? How would you do things differently?
Are you saying that the percentage of dangerous fish : Use a significance level of 0.05. Comment on your conclusion: Are you saying that the percentage of dangerous fish is definitely 20%? Explain.
If problem has multiple goals at different priority levels : If a problem has multiple goals at different priority levels, then usually they can all be achieved.
Discuss the return of your investment : if compounded semiannually separated into the return on your investment and the return of your investment
Calculate the receivables turnover ratio : Calculate the receivables turnover ratio and the average collection period for 2007 for FedEx. What percentage accounts receivable is of current assets
Ethical and legal ramifications involved in the termination : Evaluate the ethical and legal ramifications involved in the termination or refusal of care and physician-assisted suicide.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Bobby barnacles restaurant supply

Prepare a bank reconciliation using Bobby Barnacles' Restaurant Supply Inc's information for August 31.

  There is about a 50-50 chance that the percentage of

in a certain city there are 3000000 registered voters of whom 1200000 are democrats. a survey organization is about to

  Determining the hypothesis testing by using anova

Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates?

  What is the probability that persons will choose gag gifts

At a party a large barrel is filled with 99 gag gifts and 1 diamond ring, all enclosed in identical boxes.

  Probability-modern aircraft engines

Modern aircraft engines are very reliable. One feature contributing to that reliability is the use of redundancy, where critical components are duplicated so that if one fails, the other will work.

  Considering opening its offices on saturday

A bank with branches in a large metropolitan area is considering opening its offices on Saturday, but it is uncertain whether customers will prefer (1) having walk-in hours onSaturday or (2) having extended branch hours during the week. Listed bel..

  What is the probability-part was produced by machine b

Three machines A, B, and C are used to produce the same part, and their outputs are collected in a single bin. Machine A produced 26% of the parts in the bin.

  Is the sample or experiment properly designed

What a test of significance can answer. Explain whether a test of significance can answer each of the following questions.- Is the sample or experiment properly designed?

  Use the addition rule for means of random variables

What are the means and standard deviations of the two sample proportions p^1 and p^2?-  Use the addition rule for means of random variables: what is the mean of D = p^1 - p^2?

  The steady-state tracking error to a ramp

Design a compensator Gc(s) so that the steady-state tracking error to a ramp input is zero and the settling time (with a 2% criterion) is less than 5 seconds. Obtain the response of the closed-loop system to the input R(s) = 1/s2 and verify that t..

  Estimate the mean number of admission

If the director wishes to estimate the mean number of admissions per 24-hour period to within 1 admission with 99% reliability, what size sample should she choose?

  Laplace transform for an expression

Last week was a basic introduction to Matlab. This week you will learn how to use three built-in functions (laplace, ilaplace and dsolve).Using the syms function

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd