Question

0 Restaurant Data Probability of Correct Order at Restaurant B Data Sample size Probability of an event of interest 0.875 Parameters Mean 2.625 Variance 0.3281 Standard Deviation 0.5728 Binomial Probabilities Table X P(X) P(X) P[<X) P(X) P(2X) 0 0.0020 00020 0.0000 0.9980 1.0000 1 0.0410 430 0.0020 0.9570 0.9980 2 0.2871 0.3301 0.0430 0.6699 0.9570 3 0.6699 1.0000 0.3301 0.0000 0.6699 Probability of Correct Order at Restaurant C

we use those 2informations to do the following questions

Answer 1

From the given information,

The required answers are,

a. P(X=3)=0.7193

b. P(X=0)=0.0011

c. P(X>2)=0.9698

d. Mean=2.6680

Sd=0.5287

On average, 2.6680 orders correctly filled, while there is an approximate variation of 0.5287 from average number of orders 3.

Thank you.