Mathematics, 22.04.2021 15:40 dlow4974
g A five-digit number starts with a number between 4-9 in the first position, with no restrictions on the remaining 4 digits. a) Find the probability that a randomly-chosen phone number contains all different digits. b) Find the probability that a randomly-chosen phone number contains at least one repeated digit. a) Write an expression that models the probability. Select the correct choice below and fill in the answer box(es) within your choice.
Answers: 1
Mathematics, 21.06.2019 15:30
Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100
Answers: 3
Mathematics, 22.06.2019 01:30
Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?
Answers: 1
g A five-digit number starts with a number between 4-9 in the first position, with no restriction...
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