An alphanumeric code is formed by 2 letters followed by 3 digits. If repetition is allowed...

An alphanumeric code is formed by 2 letters followed by 3 digits. If repetition is allowed for the letters but not the digits, how many different codes can be formed?

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TOPIC:Permutation and Combination.

orchestra answered 1 year ago

a code is 4 random letters and 3 random digits. what is the probability of the...

a code is 4 random letters and 3 random digits. what is the probability of the 4 letters all being different while the 3. numbers at the end are in ascending order? b) in a group of 10 codes.... what is the probability that at least two have all different letters and numbers in ascending order c) in 1000 codes what is the wxpected value and standard deviation for the codes with all different letters and ascending digits

An automobile license plate consists of 3 letters followed by 4 digits. How many different plates...

An automobile license plate consists of 3 letters followed by 4 digits. How many different plates can be made: a. If repetitions are allowed? b. If repetitions are not allowed in the letters but are allowed in the digits? c. If repetitions are allowed in the letters but not in the digits?

1An identification code is to consist of 2 letters followed by 5 digit. Determine the fallowing?...

1An identification code is to consist of 2 letters followed by 5 digit. Determine the fallowing? 1a) how many different codes are posible if repetition is permitted? 1b) how many different codes are possible if repetition is not permitted, but the first 2 letters must ve the same letter? 1c) how many different codes are possible if the first letter must be, P, Q, R, S, T, and repetition for everything else is not permitted?

A swedish license plate consists of three letters followed by three digits. Find the probability that...

A swedish license plate consists of three letters followed by three digits. Find the probability that a randomly selected plate has a) no duplicate letters b) no duplicate digits c) all letters the same d) only odd digits e) no duplicate letters and all digits equal

1) A set of license plates has four letters followed by 4 digits. (a) In how...

1) A set of license plates has four letters followed by 4 digits. (a) In how many ways can a license plate be made with four letters followed by 4 digits? (Letters or digits may be repeated.) (b) In how many ways can a license plate be made with four different letters followed by 4 different digits? (c) If a license plate is made with four letters followed by 4 digits, what is the probability that it has no repeated...

If a license plate consists of two letters followed by four digits, how many different licenses...

If a license plate consists of two letters followed by four digits, how many different licenses could be created having at least one letter or digit repeated.

License plates in a given state must consist of three letters followed by four digits. The state's...

License plates in a given state must consist of three letters followed by four digits. The state's DMV has determined that there are eighteen three-letter words that cannot appear on license plates, and there are five four-digit numbers that cannot appear. How many license plates are banned? Your answer may be given as an integer, or as a formula. Either is acceptable.

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An alphanumeric code is formed by 2 letters followed by 3 digits. If repetition is allowed...

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