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QUESTION
(a) A bowl contains ten red balls and ten blue balls. A woman selects balls at random without looking at them.
i) How many balls must she select to be sure of having at least three balls of the same colour?
ii) How many balls must she select to be sure of having at least three blue balls?
(b) The English alphabet contains 21 consonants and 5 vowels. How many strings of six lowercase letters of the English alphabet contain
i) Exactly one vowel?
ii) Exactly two vowels?
iii) At least one vowel?
iv) At least two vowels?
The points A,B,C and D represent the numbers Z1,Z2,Z3 and Z4.ABCD is rhombus;AC=2BD.if Z2=2+i ,Z4=1-2i,find Z1 and Z3 Ans) B(2,1) , D(1,-2) Mid Point (3/2,-1/2) Write Equati
8+2=
Q. Find the number of ways three letter "words" can be chosen from the alphabet if none of the letters can be repeated? Solution: There are 26 ways of choosing the first lett
1) Let the Sample Space S = {1, 2, 3, 4, 5, 6, 7, 8}. Suppose each outcome is equally likely. Compute the probability of event E = "an even number is selected". P(E) = 2) A s
please can you help me with word problems
Q. Suppose the probability of David coming to a party is 75% and the probability of Jason coming to a party is 85%. What is the probability that they will both come to a party, a
Mona purchased one and a half pounds of turkey at the deli for $6.90. What did she pay per pound? Divide the cost of the turkey by the weight; $6.90 ÷ 1.5 = $4.60.
An initial species population is y(0) = 3000. At t=0 the population starts to grow exponentially with a doubling time of 2 years. Mark the only correct statement: a) The per
If the points for a right angle triangle are XYZ where do I mark the points?
Case 1: Suppose we are given expressions like 3abc and 7abc and asked to compute their sum. If this is the case we should not worry much. Because adding like exp
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