247,439 views
18 votes
18 votes
An inspector inspects large truckloads of potatoes to determine the proportion with blemishes prior to using the potatoes to make potato chips. She intends to compute a 95% confidence interval for this proportion. To do so, she selects a simple random sample of 90 potatoes, and finds 12 with blemishes. The 95% confidence interval is (0.063, 0.204). What is the correct interpretation for this confidence interval?

The inspector can be 95% confident that the proportion of potatoes with blemishes is 0.133.
In 95% of samples taken, between 6.3% and 20.4% of the sampled potatoes would have blemishes.
The inspector can be 95% confident that the interval from 0.063 to 0.204 captures the proportion of all potatoes on the truck with blemishes.
There is a 5% probability that the proportion of all potatoes that have blemishes is either below 0.063 or above 0.204.

User Shiva Prakash
by
3.0k points

2 Answers

18 votes
18 votes

Answer:

i put my answer there sorry if its sloppy

Explanation:

An inspector inspects large truckloads of potatoes to determine the proportion with-example-1
User Drorsun
by
2.9k points
26 votes
26 votes

Answer:

The inspector can be 95% confident that the interval from 0.063 to 0.204 captures the proportion of all potatoes on the truck with blemishes.

Explanation:

User Thonnor
by
2.8k points