Anewspaper headline describing a poll of registered voters taken two weeks before a recent election read "ringel leads with 52%." the accompanying article describing the poll stated that the margin of error was 2% with 95% confidence. a) explain in plain language to someone who knows no statistics what "95% confidence" means. b) the poll shows ringel leading. but the newspaper article said that the election was too close to call. explain why.

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).