- +1-530-264-8006
- info@tutorsglobe.com

Average age of a purchaser of doritos salsa verde

1. It was stated in the background that 63% of all US Hispanics are Mexican American. Suppose 850 US Hispanics are randomly selected using US Census Bureau information. 575 state that they are Mexican American. Test the population proportion at the 5% significance level.

2. What proportion of Hispanics listen primarily to ads in Spanish? Suppose one source says that in the past the proportion has been about 0.83. A random sample of 438 Hispanics is selected and 347 said they listen primarily to ads in Spanish. Test the past proportion at the 5% significance level.

3. What is the average age of a purchaser of Doritos Salsa Verde? Suppose initial tests indicate it is 31 years. A researcher wants to test this at the 1% significance level. She contacts 24 purchasers of Doritos Salsa Verde and finds that their mean age is 28.81 years with standard deviation 7.09. Assuming that the ages of purchasers are normally distributed in the population, what can the researcher conclude?

Expected delivery within 24 Hoursrs

18,76,764

Questions

Asked

21,311

Experts

9,67,568

Questions

Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment
## Q : Distribution of the values of chi-square

A fair 20-sided die is rolled 120 times, and the value of chi-square is computed using expected counts of 6 for each face. If this process is repeated many times, the shape of the distribution of the values of chi-square should be.