Eighty percent of the students graduating from high school in a small iowa farm town attend college. the town's chamber of commerce randomly selects 45 recent graduates and inquires whether or not they will attend college. find the probability that at least 82% of the surveyed students will be attending college.

0.6368

Step-by-step explanation:

Given : The proportion of z-test for population mean :

Sample size :

We assume that this is normally distributed.

The test statistic for population proportion :-

Now, for , we have

By using the standard normal distribution table , the probability that at least 82% of the surveyed students will be attending college will be :-

Hence, the probability that at least 82% of the surveyed students will be attending college = 0.6368

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

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the answer to your question is b.