Questions on probability

[FONT=Verdana, sans-serif]1. In a lottery there are 35 tickets in all, 10 bearing prize numbers and 25 [/FONT]
[FONT=Verdana, sans-serif]are blanks. A lady draws two tickets and random. What is the probability[/FONT]
[FONT=Verdana, sans-serif]that she will win no prize.[/FONT]

[FONT=Verdana, sans-serif]2. The letters of word CARDIO are rearranged Find the probability that in[/FONT]
[FONT=Verdana, sans-serif]the rearrangement, the three vowels are not all together.[/FONT]

[FONT=Verdana, sans-serif]3. A die is rolled twice. Find the probability that the sum of numbers on the[/FONT]
[FONT=Verdana, sans-serif]dice is divisible by 3 or 4. [/FONT]

Give the answers only
๐Ÿ˜ Every generation imagines itself to be more intelligent than the one that went before it, and wiser than the one that comes after it

Replies

  • whiz.kid.aniket
    whiz.kid.aniket
    sherya mathur
    [FONT=Verdana, sans-serif]1. In a lottery there are 35 tickets in all, 10 bearing prize numbers and 25 [/FONT]
    [FONT=Verdana, sans-serif]are blanks. A lady draws two tickets and random. What is the probability[/FONT]
    [FONT=Verdana, sans-serif]that she will win no prize.[/FONT]

    [FONT=Verdana, sans-serif]2. The letters of word CARDIO are rearranged Find the probability that in[/FONT]
    [FONT=Verdana, sans-serif]the rearrangement, the three vowels are not all together.[/FONT]

    [FONT=Verdana, sans-serif]3. A die is rolled twice. Find the probability that the sum of numbers on the[/FONT]
    [FONT=Verdana, sans-serif]dice is divisible by 3 or 4. [/FONT]
    Ans.2.) 0.8 (4/5)

    Ans.3.) 0.5 (5/9)

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