Question
Suppose that you and two friends go to arestaurant, which last month filled approximately 88.7% of the orders correctly. Complete parts(a) through(e) below. Probability of
Suppose that you and two friends go to arestaurant, which last month filled approximately 88.7% of the orders correctly. Complete parts(a) through(e) below.
Probability of Correct Order at Restaurant B
Data | |
Sample size | 3 |
Probability of an event of interest | 0.852 |
Parameters | |
Mean | 2.556 |
Variance | 0.3783 |
Standard Deviation | 0.6151 |
Binomial Probabilities Table
X | (X) | P(X) | P( | P(>X) | P(X) |
0 | 0.0032 | 0.0032 | 0.0000 | 0.9968 | 1.0000 |
1 | 0.0560 | 0.0592 | 0.0032 | 0.9408 | 0.9968 |
2 | 0.3223 | 0.3815 | 0.0592 | 0.6185 | 0.9408 |
3 | 0.6185 | 1.0000 | 0.3815 | 0.0000 | 0.6185 |
Probability of Correct Order at Restaurant C
Data | |
Sample size | 3 |
Probability of an event of interest | 0.927 |
Parameters | |
Mean | 2.781 |
Variance | 0.2030 |
Standard Deviation | 0.4506 |
Binomial Probabilities Table
X | P(X) | P(X) | P( | P(>X) | P(X) |
0 | 0.0004 | 0.0004 | 0.0000 | 0.9996 | 1.0000 |
1 | 0.0148 | 0.0152 | 0.0004 | 0.9848 | 0.9996 |
2 | 0.1882 | 0.2034 | 0.0152 | 0.7966 | 0.9848 |
3 | 0.7966 | 1.0000 | 0.2034 | 0.0000 | 0.7966 |
Suppose that you and two friends go to arestaurant, which last month filled approximately 88.7% of the orders correctly. Complete parts(a) through(e) below.
(Round to four decimal places as needed.)
a. What is the probability that all three orders will be filledcorrectly?
b. What is the probability that none of the three orders will be filledcorrectly?
c. What is the probability that at least two of the three orders will be filledcorrectly?
d. What are the mean and standard deviation of the binomial distribution used in(a) through(c)? Interpret these values.
e. Compare the results of(a) through(d) with those of the two restaurants given in the popup tables.
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