In a particular region, car registration plates consist of 4 letters and 2 digits. The first letter of each registration plate must be V and the last digit must be 8. Letters can be repeated but numbers cannot. How many different registration plates can be issued?

Resuelve el siguiente problema y elige la respuesta correcta. De una lista de 10 aplicantes se seleccionarán 3 para un empleo, ¿de cuántas maneräs se podrá selé \( { }_{10} P_{3}=\frac{10!}{(10-3)!3!}=110 \) b. \( { }_{10} P_{3}=\frac{10!}{(10-3)!}=720 \) c. \( C_{3}=\frac{10!}{(10-3)!3!}=120 \)

05- Se é escolhido aleatoriamente um numero da sequência: (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17, \( 18,19,20 \) ) qual a probabilidade de escolher um nümero primo? a) 38 b) 8.9 c) 2.5 d) 588

7. มีเหรียญที่แตกต่างกัน 3 เหรียญ และลูกเต๋าที่แตกต่างกัน 2 ลูก ถ้าโยนเหรียญและลูกเต๋าที่แตกต่างกัน ทั้งหมด จำนวนวิธีในการขึ้นหน้าของเหรียญและลูกเต๋าที่แตกต่างกันได้ทั้งหมดกี่วิธี เมื่อเหรียญขึ้นหน้า เหมือนกัน และลูกเต๋าขึ้นหน้าเหมือนกัน \( \begin{array}{ll}\text { ก. } 6 & \text { ข. } 12 \\ \text { ค. } 18 & \text { ง. } 48\end{array} \)

Question 70 The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs \( \$ 5 \). There is 1 winning ticket out of the 180 tickets sold. The winner gets a prize worth \( \$ 84 \). Round your answers to the nearest cent. What is the expected value (to you) of one raffle ticket? \$ Calculate the expected value (to you) if you purchase 12 raffle tickets. What is the expected value (to the PTO) of one raffle ticket? \$ \( \$ \)

Question 70 The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs \( \$ 2 \). There is 1 winning ticket out of the 270 tickets sold. The winner gets a prize worth \( \$ 64 \). Round your answers to the nearest cent. What is the expected value (to you) of one raffle ticket? \( \$ \) Calculate the expected value (to you) if you purchase 12 raffle tickets. What is the expected value (to the PTO) of one raffle ticket? \( \$ \) \( \$ \) PTO sells all 270 raffle tickets, how much money can they expect to raise for the classroom supplies? Ouestion Help: Video