Suppose that a manager is interested in estimating the average amount of money customers spend in her store. After sampling 36 transactions at random, she found that the average amount spent was $
43.25
. She then computed a
95
% confidence interval to be between $
39.61
and $
46.89
.
Which statement gives a valid interpretation of the interval?

The store manager is
95
% confident that the average amount spent by the 36 sampled customers is between $
39.61
and $
46.89
.

The store manager is
95
% confident that the average amount spent by all customers is between $
39.61
and $
46.89
.

There is a
95
% chance that a randomly selected customer will spend between $
39.61
and $
46.89
.

There is a
95
% chance that the mean amount spent by all customers is between $
39.61
and $
46.89
.

the clues that signal the reader should change tone are the punctuation marks, the grammatical signs. for example, the quotation marks at the beginning of something someone else said literally or the exclamation marks.

the tone of the first line of dialogue until "gettysburg" is a kind tone, a tone of advise. the narrator is trying to the other person in doing something he or she obviously is finding hard to do by giving a piece of advise and bringing up a memory of a successful similar case.

the clue that the reader understand how to read the word "bang" is the exclamation mark. it gives the word a surprise tone, a strong accent.

the best tone for reading the word "bang" is an exciting tone, a surprise one, even a loud one.

the words that should be read with a formal tone are the ones that give factual information. the sentence: mister lincoln couldn't think of anything to say at the gettysburg" gives information about an event and it needs to be read formally, also, when the narrator wants to transmit calmness, a formal and slow tone is needed, because people also transmit messages with the vibrations of our voices and tones.

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step-by-step explanation: