Mathematics, 16.11.2019 05:31, ayoismeisalex
Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors?
95% ci for pw-pg: (0.064, 0.156)
a. we are 95% confident that the proportion of non sell-able items for whole fruits is anywhere between 0.064 and 0.156 lower than the proportion of non sell-able items for green grocer
b. we are 95% confident that the proportion of non sell-able items for whole fruits is anywhere between 0.064 and 0.156 higher than the proportion of non sell-able items for green grocer.
c. we are 95% confident that the proportion of non sell-able peaches for green grocer is about 0.064 and 0.156.
d. we are 95% confident that the proportion of non sell-able items for whole fruits is anywhere between 0.064 lower and 0.156 higher than the proportion of non sell-able items for green grocer.
e. we are 95% confident that the proportion of non sell-able peaches from whole fruits is anywhere between 0.064 and 0.156.
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