1. THE RESULTS OF SURVEYING SOME MEMBERS OF ACONCERT AUDIENCE ARE TOLD BELOW. HO
ID: 3089624 • Letter: 1
Question
1. THE RESULTS OF SURVEYING SOME MEMBERS OF ACONCERT AUDIENCE ARE TOLD BELOW. HOW MANY PEOPLE ARE IN THE SAMPLE?WHEN ASKED IF THEY ENJOYED THE CONCERT, 38 SAID YES AND 12 SAIDNO. 2. WHAT IS THE PROBABILITY THAT A PERSON INTHE AUDIENCE ENJOYED THE CONCERT? 3. PREDICT HOW MANY OF THE 725 PEOPLE IN THEAUDIENCE WOULD SAY THEY ENJOYED THE CONCERT? 1. THE RESULTS OF SURVEYING SOME MEMBERS OF ACONCERT AUDIENCE ARE TOLD BELOW. HOW MANY PEOPLE ARE IN THE SAMPLE?WHEN ASKED IF THEY ENJOYED THE CONCERT, 38 SAID YES AND 12 SAIDNO. 2. WHAT IS THE PROBABILITY THAT A PERSON INTHE AUDIENCE ENJOYED THE CONCERT? 3. PREDICT HOW MANY OF THE 725 PEOPLE IN THEAUDIENCE WOULD SAY THEY ENJOYED THE CONCERT?Explanation / Answer
1. THE RESULTS OF SURVEYING SOME MEMBERS OF ACONCERT AUDIENCE ARE TOLD BELOW. HOW MANY PEOPLE ARE IN THESAMPLE?WHEN ASKED IF THEY ENJOYED THE CONCERT, 38 SAID YES AND 12 SAIDNO.
38+12=50
2. WHAT IS THE PROBABILITY THAT A PERSON IN THEAUDIENCE ENJOYED THE CONCERT?
38/50
3. PREDICT HOW MANY OF THE 725 PEOPLE IN THEAUDIENCE WOULD SAY THEY ENJOYED THE CONCERT?
725*38/50=551
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