THINKING/INQUIRY [18 MARKS] 14.Zev's password has 8 characters, using 26 letters and numbers 0 through 9....

Transcribed Image Text:

THINKING/INQUIRY [18 MARKS] 14.Zev's password has 8 characters, using 26 letters and numbers 0 through 9. In how many ways could his password contain a. At least 3 letters b. At least 4 numbers and 4 letters. [4] 15. The fisheries department caught and tagged 260 seals. Recently, 150 seals were caught and 38 tagged. Estimate the size of the seal population. [3] 16. In a collection of 40 coins, 24 are rare. If you select 10 coins, what is the probability that at least two are rare? [3] THINKING/INQUIRY [18 MARKS] 14.Zev's password has 8 characters, using 26 letters and numbers 0 through 9. In how many ways could his password contain a. At least 3 letters b. At least 4 numbers and 4 letters. [4] 15. The fisheries department caught and tagged 260 seals. Recently, 150 seals were caught and 38 tagged. Estimate the size of the seal population. [3] 16. In a collection of 40 coins, 24 are rare. If you select 10 coins, what is the probability that at least two are rare? [3]