There are [n] students enrolled in one large introductory statistics course. Of those [n] students, [x] students are psychology majors. Compute the proportion of students enrolled in this course who are psychology majors. Round your final answer to three decimal places. 

Research question: Is the mean score in the population different from 90 points?   H0: μ = 90Ha: μ ≠ 90   The hypotheses above were tested using data from a random sample. Descriptive statistics are presented in the following table:   Descriptive Statistics N Mean StDev [n] [xbar] [stdev]   Compute Cohen’s d for the difference between the observed sample mean and hypothesized population mean. Round your final answer to three decimal places. 

Complete the following statement: Confidence intervals and hypothesis testing are examples of 

H0: p = 0.5 Ha: p ≠ 0.5 The hypotheses above were testing using the following sample data. Descriptive Statistics N Event Sample p 95% CI for p 30 18 0.600 (0.406, 0.773)   The result was a p value of 0.362, so the researchers had to fail to reject the null hypothesis at the 0.05 alpha level.  Which of the following changes would result in a smaller p value?

Market researchers from a regional fast food chain are surveying people in central Pennsylvania concerning their favorite milkshake flavor. They would like identify the most popular flavors in each county because this information could be used to inform the milkshake flavor options in their stores. The first few lines of the data are presented in the table below.   Sample Data County Favorite Milkshake Flavor Mifflin Chocolate Centre Blue & White Dauphin Blue & White Juniata Chocolate Perry Chocolate Mifflin Vanilla Juniata Chocolate Dauphin Vanilla Centre Chocolate   Which of the following graphs could be used to display data concerning county and favorite milkshake flavor together?

Solve the equation using the quadratic formula. Use set notation.

The 2015-2020 US Dietary Guideline for Americans recommends consuming less than __ mg per day of sodium. Please ENTER numerical numbers.

Emulsifiers are important in food and nutrition.  We learned three molecules that act as emulsifiers, including biles, phospholipids (lecithins), and __

Omega 3 and 6 are both polyunsaturated fatty acids that are recommended. However, in western diets, the ratio of omega 3 to 6 is too high. 

Identify the Muscle that originates at the sternum and clavicle, inserts at the mastoid process, and runs along the side of the neck _______