Please answer number 3 from a-e. Thanks! For Exercises 3 through 5, perform each of the following steps.a. State the hypotheses and identify the claim.b. Find the critical value(s).c. Compute the test value.d. Make the decision.e. Summarize the results.Use diagrams to show the critical region (or regions), and use the traditional method ofhypothesis testing unless otherwise specified.3. Credit Card Debt.It has been reported that the average credit card debt for college seniors at the college bookstore for a specific college is $3262. The student senate at a large university feels that theirseniors have a debt much less than this, so it conducts a study of 50 randomly selected seniorsand finds that the average debt is $2995, and the population standard deviation is $1100. Witha = 0.05, is the student senate correct?

Given: Sample size, n = 50 Sample mean, Standard deviation,

Answered: It has been reported that the average…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 20PFA

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Spending on concessions at the movies varies by age of the movie goer. A random sample of 100 adults in their 40's found that 70 purchased popcorn. A random sample of 100 adults less than 40 years old found that 59 purchased popcorn. a. State the hypotheses for determining there is a difference in the proportion of adults who purchase popcorn in each age group. b. Calculate the test statistic. c. Calculate the p-value. d. Interpret the p-value. e. State your conclusion. f. Would a confidence interval for the difference in proportions contain zero? Explain without constructing the interval.
Directions: Follow the steps in testing the hypothesis to answer the following problems. a. Identify the given in the problem. b. State the null and alternative hypotheses. c. Determine the test statistic, then compute its value. d. Find the critical value and draw the critical region. e. Draw a conclusion A teacher believes that less than 20% of the students like Mathematics. If 13 out of the 60 randomly selected students like mathematics, is the teachers' claim valid? Use 90% confidence level.
Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. Some governments have a safety limit for cadmium in dry vegetables at 2.3 parts per million (ppm). A hypothesis test is to be performed to decide whether the mean cadmium level in a certain mushroom is not equal to the government's recommended limit. Complete parts (a) through (c) below. a. Determine the null hypothesis. HoiH ppm (Type an integer or a decimal. Do not round.) b. Determine the alternative hypothesis. Ha: H ppm (Type an integer or a decimal. Do not round.) c. Classify the hypothesis test as two tailed, left tailed, or right tailed. The hypothesis test is
Please answer number 4, a-e. Thanks

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It has been reported that the average credit card debt for college seniors at the college book store for a specific college is $3262. The student senate at a large university feels that their