Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
; 0.3
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.10
- 4
+ 9
A. 30
B. -30
C. 24
D. 10
Mathematics
Solve the problem. Round to the nearest cent or tenth of a percent.Cost = $9.05; markup rate of 28.3% based on the selling. Find the markup and the selling price.
A. Markup = $2.56 Selling price = $11.61 B. Markup = $2.56 Selling price = $6.49 C. Markup = $3.57 Selling price = $5.48 D. Markup = $3.57 Selling price = $12.62
Mathematics
Find the sum.0 + (-11)
A. 110 B. 11 C. 0 D. -11
Mathematics
Simplify the complex fraction.7 + 
A. 
B. 
C. - 
D. 
Mathematics