The Better Cookie Company Claims Its Chocolate Chip Cookies Have

question 34

Essay

The Better Cookie Company claims its chocolate chip cookies have more chips than another chocolate chip cookie.120 Better Cookies and 100 of the other type of cookie were randomly selected and the number of chips in each cookie was recorded.The results are as follows.
Better Another
Mean number of chips 7.6 6.9
Standard deviation 1.4 1.7
df = 191.
At the 2% level of significance,test the claim that the population of Better Cookies has a higher mean number of chips.

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Definitions:

Sample Proportion

The fraction or percentage of the sample that represents a particular characteristic or attribute.

Population Proportion

The ratio of members in a population who have a particular property to the total number of members in the population.

Binomial Experiment

An experiment or trial that can result in only two possible outcomes, such as success or failure, and follows the binomial distribution.

Probability of Success

The likelihood measured as a fraction or percentage, of achieving a desired outcome or positive result in an experiment or trial.