Marketing research by Pete\'s Coffee & Tea indicates that 70% of all customers p

Question

Marketing research by Pete's Coffee & Tea indicates that 70% of all customers put sugar in their coffee, 35% added milk, and 25% use both. Suppose a Pete's Coffee & Tea customer is selected at random. Find the probability that the customer uses just sugar.

Combination that 70% of all customers put sugar 1 15 ptsl Marketing research by Pete's Coffee & Tea indicates customer is their 35% added milk, and 25% use both. Suppose a Pete's Coffee & Tea selected at random. Find the probability that the customer uses just sugar. M .35 C. n Sn m 2.5

Explanation / Answer

here probabilty of sugar=P(s)=0.7

and probabilty of both =P(SnM)=0.25

hence probability of only sugar =P(S)-P(SnM)=0.7-0.25=0.45

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