The cost of t-shirts varies directly with the number of t-shirts. The data is shown in the graph. If x = is number of t-shirts,
and y = the cost, which equation models Bill's direct variation?
A) y = 11x
B) y = 5.5x
C) y = 11 + x
D) y = 5.5 + x
Thanks
A) y = 11x
B) y = 5.5x
C) y = 11 + x
D) y = 5.5 + x
Thanks
2 answers:
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Answer:
The probability that there will be a total of 7 defects on four units is 0.14.
Step-by-step explanation:
A Poisson distribution describes the probability distribution of number of success in a specified time interval.
The probability distribution function for a Poisson distribution is:
Let <em>X</em> = number of defects in a unit produced.
It is provided that there are, on average, 2 defects per unit produced.
Then in 4 units the number of defects is, .
Compute the probability of exactly 7 defects in 4 units as follows:
Thus, the probability of exactly 7 defects in 4 units is 0.14.