A person is selected at random. If there are seven days in a week, what is the probability that the person was not born on a Tuesday or Wednesday?

5 out of 7.

Step-by-step explanation:

There are seven days in one week. They are asking what is the probability of the person chosen not being born in a Tuesday or Wednesday. There are five other days, so there are five other options.

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it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.