Assume that we want to find the probability that when four consumers are randomly selected, exactly two of them are comfortable with delivery by drones. Also assume that 33 % of consumers are comfortable with the drones (based on a survey). Identify the values of n, x, p, and q. N=X=P=Q=

Question

Brooke Tate

Mathematics

10 February, 10:30

Assume that we want to find the probability that when four consumers are randomly selected, exactly two of them are comfortable with delivery by drones. Also assume that 33 % of consumers are comfortable with the drones (based on a survey). Identify the values of n, x, p, and q. N=X=P=Q=

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Answers (1)

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Itzel Ashley · Answer 1

0.293

Step-by-step explanation:

X ~ B (4, 0.33)

n = 4,

p = 0.33,

q = 1 - p = 0.67

x = 2

P (x = 2) = 4C2 * 0.33² * 0.67²

= 0.29331126

= 0.293 (3 sf)