If one person was selected at random from the 7700 customers, find the probability that the person: (a) Bought a mug or was a regional customer. (b) Was an international customer and bought a keyring. (c) Bought a craving given that the person resides locally.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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A renowned Hotels in England has an in-house souvenir shop. At the end of each year
it reviews the most popular products it sells to customers who resides locally, or in
countries regionally or internationally. The manager has collected the following data
as shown below.
ITEMS
TYPE OF CUSTOMERS
Local
Regional
International Totals
Keyrings
880
1240
1610
3730
Mugs
480
560
870
1910
Carvings
600
700
760
2060
Totals
1960
2500
3240
7700
If one person was selected at random from the 7700 customers, find the probability
that the person:
(a) Bought a mug or was a regional customer.
(b) Was an international customer and bought a keyring.
(c) Bought a craving given that the person resides locally.
(d) Are the events 'mug' and 'regional', independent events?
(e) Are the events 'mug' and 'regional', mutually exclusive events?
Transcribed Image Text:A renowned Hotels in England has an in-house souvenir shop. At the end of each year it reviews the most popular products it sells to customers who resides locally, or in countries regionally or internationally. The manager has collected the following data as shown below. ITEMS TYPE OF CUSTOMERS Local Regional International Totals Keyrings 880 1240 1610 3730 Mugs 480 560 870 1910 Carvings 600 700 760 2060 Totals 1960 2500 3240 7700 If one person was selected at random from the 7700 customers, find the probability that the person: (a) Bought a mug or was a regional customer. (b) Was an international customer and bought a keyring. (c) Bought a craving given that the person resides locally. (d) Are the events 'mug' and 'regional', independent events? (e) Are the events 'mug' and 'regional', mutually exclusive events?
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