Complete Application
and Problem #2 Bentley Foods, Inc. on page 412. The paper must be two
to three pages in length and formatted according to APA style.
2. Bentley Foods, Inc., a large
manufacturer of frozen foods, has developed a new line of frozen
pizza. Management has agreed to begin producing and market- ing the
new line if at least 15% of the population would prefer the pizza
over other frozen pizzas currently available. To determine
preferences, a sample of 1,000 consumers was obtained; 172 indicated
that they would prefer the new product over existing brands.
a. State the null and alternative
hypotheses. b. Compute the standard error of the proportion.
c. Calculate the z-statistic. What is
the probability of obtaining this value of the z-statistic if the
null hypothesis is true?
d. The research manager for Bentley
Foods is comfortable using the .05 significance level. Should the
null hypothesis be rejected?
e. At this significance level, what is
the critical sample proportion ?
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