P = ^{նպաստավոր ելքեր}/_{ընդհանուր ելքերի}

405-ա,գ,ե.

ա)

P(1) = 1/6

գ)

P(կենտ) = 3/6 = 1/2

ե)

P(8) = 0/6 = 0

---

406-ա,գ.

ա)

P(թիվ) = 1/2

գ)

P(թիվ / զին) = 2/2 = 1

---

408-ա,գ.

ա)

P(0) = 1/28

գ)

{(1; 6), (2; 5), (3; 4)}

P(7) = 3/28

---

410-ա,գ.

ա)

{(1; 2), (2; 1)}

P(3) = 2/6² = 2/36 = 1/18

գ)

{(1; 6), (2; 5), (3; 4), (4; 3), (5; 2), (6; 1)}

P(7) = 6/6² = 6/36 = 1/6

---

412-ա,գ.

ա)

5 * 4 = 20

P = 1/20

գ)

5 * 4 * 3 * 2 = 120

P = 1/120

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ՏՆԱՅԻՆ․

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405-բ,դ,զ.

բ)

P(2) = 1/6

դ)

P(1 / 2) = 2/6 = 1/3

զ)

P(1 / 2 / 3 / 4 / 5 / 6) = 6/6 = 1

---

406-բ,դ.

բ)

P(զին) = 1/2

դ)

P(թիվ / զին) = 0/2 = 0

---

408-բ,դ.

բ)

{(0; 4), (1; 3), (2; 2)}

P(4) = 3/28

դ)

6 + 6 = 12 < 13

P(13) = 0

---

410-բ,դ.

բ)

{(1; 3), (2; 2), (3; 1)}

P(4) = 3/6² = 3/36 = 1/12

դ)

6 + 6 = 12 < 13

P(13) = 0

---

412-բ.

բ)

5 * 4 * 3 = 60

P = 1/60