Checking normality assumption

Reference no: EM1317197

Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap popcorn carefully counted 773 kernels and put them in a popper. After popping, the unpopped kernels were counted. There were 86.

(a) Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.

(b) Check the normality assumption.

(d) Why might this sample not be typical?

Reference no: EM1317197

Questions Cloud

Forming payoff matrix : Suppose both governments offer their respective company a subsidy of $4(million), but only if they produce. Airbus is still able to produce before Boeing. Fill in the new payoff matrix below. What is the equilibrium outcome?

Regarding level of order traversal : Write down a level order traversal that does every level of the binary tree before moving on to the next level. Starting with the root add the children nodes to list.

Sample size required to obtain error : What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?

Organizing data into a frequency distribution : Organize data into a frequency distribution. How many classes would you propose? What value would you propose for class interval?

Checking normality assumption : Construct a 90 percent confidence interval for the proportion of all kernels that would not pop. Check the normality assumption.

Developing a single neural network : The team member A proposes that you must develop a single neural network which may handle all these stocks. However the member B insists that you have to design the five networks (one for each stock).

Calculating correlation coefficient for sample data : Calculate correlation coefficient for these sample data.

Changes in income and price of goods : Suppose a consumer has a daily income of $100 and purchases just two goods A and B. The price of good A is $5 and the price of good B is $4.

Mean number of letters : Find out the mean number of letters that will arrive in two days.

User Account

All Pages