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RUDIKE [14]
3 years ago
12

A company that manufactures smartphones makes 70% of the phones with a touch screen and 55% of the phones with HD movie capabili

ty. 30% of the phones have both a touch screen and HD movie capability. What is the probability that a smartphone chosen at random has either a touch screen or HD movie capability?
Computers and Technology
2 answers:
Maru [420]3 years ago
5 0
Using Rule of Addition:
<span>It states that : "The probability that Event A or Event B occurs is equal to the probability that Event A occurs plus the probability that Event B occurs minus the probability that both Events A and B occur."
</span><span>
P(A or B) = P(A) + P(B) - P(A and B)
</span>                 = 0.7 + 0.55 - 0.3
                 = 1.55
CaHeK987 [17]3 years ago
4 0

The answer is A. 19/20

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A clipboard group is on far left side of a Home Tab. It is an often used in the conjunctions with Editing group, which is on far right side of the tab.

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H). Worksheet tab

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