Mathematics, 22.01.2020 17:31, jlo15

Acompany that manufactures smartphones makes 70% of the phones with a touch screen and 55% of the phones with hd movie capability. 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?

Acompany that manufactures smartphones makes 70% of the phones with a touch screen and 55% of the ph

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Acompany that manufactures smartphones makes 70% of the phones with a touch screen and 55% of the ph...