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Harlamova29_29 [7]
3 years ago
9

An online customer service department estimates that about 15 percent of callers have to wait more than 8 minutes to have their

calls answered by a person. The department conducted a simulation of 1,000 trials to estimate the probabilities that a certain number of callers out of the next 10 caliers will have to wait more than 8 minutes to have their calls answered. The simulation is shown in the following histogram.
A)0.150
B)0.190
C)0.474
D)0.526
E)0.810
Advanced Placement (AP)
2 answers:
weeeeeb [17]3 years ago
4 0

Answer:

The correct alternative will be Option E (0.810).

Explanation:

Depending on either the simulation, the Chance and with at least 2 callers out before the next ten callers earning more than 8 minutes seems to be:

⇒ P(x\leq2) = P(0)+p(1)+p(2)

∴ (x is number f persons)

⇒                = 0.181+0.345+0.284

⇒                =0.810

ale4655 [162]3 years ago
3 0

Answer:

E). 0.810

Explanation:

The simulation displayed through the histogram shows that the probability of getting 'at most 2 of the next 10 callers who will have to wait more than 8 minutes to get their calls answered' would be 0.810.

= P(x ≥ 2) = P(0) + P(1) + P(2)

= 0.181 + 0.345 + 0.284

= 0.810

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