Consider the following frequency table representing the distribution of Khadija’s cost of dinner for the week. Determine the relative frequency for Friday and Saturday’s dinner expenses, each as a simplified fraction.

You are among 10 people forming a school club.  You decide to put each person’s name in a hat and to randomly select a president, a vice president, and a secretary.  How many different arrangements of officers are possible?

The Pearson correlation coefficient for a relationship between two variables from a data sample of was found to be . Is this relationship statistically significant at the level? Is this relationship statistically significant at the level?

Use the plurality method to determine a winner in the given rankings.

What might be considered a sensitive group individual who could be impacted by the air quality during the next few days? (select all that apply)

Based on what we learned in class, how many sentences should a counterargument have at minimum? Write your answer in simple number format

An argumentative thesis statement should be strong. Remember and write 2 words/expressions that would help make it strong. 

Use the following narrative to answer questions 9– 13. At a major credit card bank, the percentages of people who historically apply for the Silver, Gold, and Platinum cards are 60%, 30%, and 10%, respectively.  A random sample of 175 customers who responded to a recent promotion yielded 90 who applied for a Silver card, 50 who applied for a Gold Card, and 35 who applied for a Platinum card.  You wish to determine if the sample provides evidence that there has been a change in preferences for the 3 types of cards.    Question 9 Write the null hypothesis in proper form.

Question 27 Using a 5% significance level, how small does the sample average have to be in order to reject the null hypothesis, i.e., what is the critical

Use the following narrative and data to answer questions 16 – 19. A manufacturing plant for recreational vehicles receives shipments from three different parts vendors.  There has been a defect issue with some of the electrical wiring in the recreational vehicles manufactured at the plant.  The plant manager believes that the defect issue is dependent on the parts vendor.  The plant manager reviews a sample of quality assurance inspections from the last six months.    Vendor    Part Quality  Perfect Parts Co.  Made 4-U Co.  25 Hour Parts Co.  Total  Rejected  53  48  70  171  Perfect  93  71  88  252  Not Perfect, but Acceptable  22  31  22  75  Total  168  150  180  498    Question 16 Which of the following are the appropriate hypotheses to test the plant manager’s belief?