PLEASE HELP!!!!
2 answers:
<u>Answer</u>: B. the revenue from sales of convertibles by Pluto Cars.
B. 0.225
<u>Step-by-step explanation</u>:
Given: The table shows the annual sales revenues of different types of vehicles made by four automobile manufacturers.
From the given table, it can be seen that the number in the highlighted cell is in the row of Pluto and in the column of Convertible.
Therefore, The number in the highlighted cell is <u> the revenue from sales of convertibles by Pluto Cars</u> .
Also, The revenue from sales of convertibles by Pluto Cars =18
The total sales revenue of Pluto Cars = 80
Now, the relative frequency of the revenue from sales of convertibles by Pluto Cars compared with the total sales revenue of Pluto Cars is given by :-
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Answer:
a) P(X∩Y) = 0.2
b) = 0.16
c) P = 0.47
Step-by-step explanation:
Let's call X the event that the motorist must stop at the first signal and Y the event that the motorist must stop at the second signal.
So, P(X) = 0.36, P(Y) = 0.51 and P(X∪Y) = 0.67
Then, the probability P(X∩Y) that the motorist must stop at both signal can be calculated as:
P(X∩Y) = P(X) + P(Y) - P(X∪Y)
P(X∩Y) = 0.36 + 0.51 - 0.67
P(X∩Y) = 0.2
On the other hand, the probability that he must stop at the first signal but not at the second one can be calculated as:
= P(X) - P(X∩Y)
= 0.36 - 0.2 = 0.16
At the same way, the probability that he must stop at the second signal but not at the first one can be calculated as:
= P(Y) - P(X∩Y)
= 0.51 - 0.2 = 0.31
So, the probability that he must stop at exactly one signal is: