Partial Permutations
Find the number of 7-character (capital letter or digit) license pl...
Mathematics, 20.02.2020 08:05 kiwi6316
Partial Permutations
Find the number of 7-character (capital letter or digit) license plates possible if no character can repeat and: a) there are no further restrictions, b) the first 3 characters are letters and the last 4 are numbers, c) letters and numbers alternate, for example A3B9D7Q or 0Z3Q4A9
Combinations
A standard 52-card deck consists of 4 suits and 13 ranks. Find the number of 5-card hands where: a) any hand is allowed (namely the number of different hands) b) all five cards are of same suit c) all four suits are present d) all cards are of distinct ranks
Distribution Types
1) Which of the following sample spaces are uniform?
a) {land, sea} for a randomly point on a globe b) {odd, even} for a random integer from {1,2,. . . ,100} c) {leap year, non-leap year} for a random year before 2019 d) {two he{distance to origin} for a random point in {−3, −1, 1, 3} × {−4, −2, 2, 4} e) lads, two tails, one head and one tail} when flipping two fair coin
Inequalities
.in any uniform probability space: a) ⊇ ⟶ P()≥P() b) P()≥P() ⟶ ⊇ c) ||≥|| ⟶ P()≥P() d) P()≥P() ⟶ ||≥||
Conditional Probability
Three fair coins are sequentially tossed. Find the probability that all are heads if: a) the first is tails b) the first is heads c) at least one is heads.
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Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft
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The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?
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