You buy candy bars at 85 cents each plus one newspaper for 60 cents. You can spend no more than $4. How many candy bars can you
1 answer:
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Answer:
a) X = 2/15 , 8/15, 1/3
b) attached below ( probability plot )
C) F(x ) attached below
d) cumulative probability plot
Step-by-step explanation:
a) Determine the probability of Function X
P( x = 0 ) = 6 / 45 = 2 /15 = 0.1333
P( x = 1 ) = 8/15 = 0.5333
P( x = 2 ) = 1/3 = 0.3333
Hence the probability of Function X = 2/15 , 8/15, 1/3
b) Graph of the probability Function of X
x 0 1 2
p(x) 0.1333 0.5333 0.3333
attached below is the plot ( probability plot )
<u>c) Determine the Distribution function of CX </u>
using the results achieved in part ( a )
attached below is the solution
<u>d) Graph of distribution function of X </u>
x 0 1 2
p(x) 0.1333 0.6667 1
attached below is the plot ( cumulative probability plot )
Answer:
The proportion of customers who used coupons within the last 2 years is 0.1089.
Step-by-step explanation:
A proportion is the number of desired outcomes divided by the number of total outcomes.
Proportion of customers who used coupons within the last 2 years.
Desired outcomes:
Number of receipts which are discounted by coupons, which is 49
Total outcomes:
Total number of receipts, which is 450
Proportion:
The proportion of customers who used coupons within the last 2 years is 0.1089.