1. A person who enters "Plaza las Américas" has a probability of 0.35 of buying at...

1. A person who enters "Plaza las Américas" has a probability of 0.35 of buying at the Zara store, 0.32 of entering the cinema and 0.25 of buying at SEARS. Assuming that events are independent. For a person who entered Plaza las Americas. What is the probability that:

a) Buy from zara and not buy from sears?

b) Do not buy from zara or do not buy from sears?

2. A box contains 4 red roses and 5 white roses. If two roses are randomly selected without replacement (this means that when the first rose is removed it is not returned to the box), find the following possibilities:

a) The probability that both selected roses are white.

b) The probability that at most one white rose is selected.

c) The probability of not selecting any white rose.

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orchestra answered 1 year ago

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