aaminohasan142
07.04.2020 •
Mathematics
A consumer looking to buy a used red Miata car will call dealerships until she finds a dealership that carries the car. She estimates the probability that any independent dealership will have the car will be 28%. We are interested in the number of dealerships she must call.
a. In words, define the Random Variable X.
b. List the values that X may take on.
c. Give the distribution of X. X∼
d. On average, how many dealerships would we expect her to have to call until she finds one that has the car?
e. Find the probability that she must call at most 4 dealerships.
f. Find the probability that she must call 3 or 4 dealerships.
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Ответ:
Graph the inequality by finding the boundary line, then shading the appropriate area.
y
≤
3
x
−
2
Step-by-step explanation: