a. What is the frequency function (pmf) of X? b. Compute P(X > 10). c. Compute P( 6 ≤ X ≤ 10).
Of all customers purchasing automatic garage door openers, 75% purchase chain-driven model.
Let X = the number among the next 15 purchasers who select the chain-driven model.
a. What is the frequency
b. Compute P(X > 10).
c. Compute P( 6 ≤ X ≤ 10).
d. Compute µ and σ2
e. If the store currently has in stock 10 chain-driven models and 8 shaft-driven models, what is the
HERE AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPART PLZ REPOST FOR REMAINING
Of all customers purchasing automatic garage door openers, 75% purchase chain-driven model.
Let X = the number among the next 15 purchasers who select the chain-driven model.
Here use binomial distribution
- Each trial independent
- Finite number of trial
- There are two outcomes success and failure
- Probability of success remains constant in each trial
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