The following frequency table summarizes last week's bed sales at Cloud Nine Furniture.
Size of bed Number of beds
Twin 333
Double 666
Queen 444
King 222
Based on this data, what is a reasonable estimate of the probability that the next bed sold is a twin bed?
Answers
Given : frequency table summarizing last week's bed sales at Cloud Nine Furniture.
To find : a reasonable estimate of the probability that the next bed sold is a twin bed
Solution:
Size of bed Number of beds Sold
Twin 333
Double 666
Queen 444
King 222
Total Sold = 1665
reasonable estimate of the probability that the next bed sold is a twin bed
= ( number of twin beds sold) / Total Sold
= 333/ 1665
= 1/ 5
= 0.2
= 20 %
reasonable estimate of the probability that the next bed sold is a twin bed = 1/5 or 0.2 or 20 %
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last week's bed sales at Cloud Nine Furniture.
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Given:
The following frequency table summarizes last week's bed sales at Cloud Nine Furniture.
Size of bed Number of beds
Twin 3
Double 6
Queen 4
King 2
To find:
Based on this data, what is a reasonable estimate of the probability that the next bed sold is a twin bed?
Solution:
Total number of twin beds sold = 3
Total number of double beds sold = 6
Total number of queen beds sold = 4
Total number of king beds sold = 2
Therefore, the total number of all types of beds sold = 3 + 6 + 4 + 2 = 15
The probability is given by, P = favorable outcome / total number of possible outcomes
The probability that the next bed sold is a twin bed,
P = 3 / 15 = 1/5
The probability that the next bed sold is a twin bed is 1/5 = 0.2