a. From the 26 letters of the English alphabet, find how many ways there are to choose:

Question:

i. Six different letters

ii. 20 different letters.

b. Use your results from part a to find the condition under which _xC_y = _xC_z, where x is a positive integer.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

See More Books

Question Posted: Sep 13, 2021 02:25 AM

See More Questions

From six boys and seven girls, find how many ways there are to select a group of three children that consists of more girls than boys.
From seven men and eight women, find how many ways there are to select: a. Four men and five women b. Three men and six women c. At least 13 people.
Two students are asked to find how many ways there are to plant two trees and three bushes in a row. The first student gives 5! = 120, and the second gives 5!/2! 3! = 10. Decide who you agree with...
The B.B. Lean Co. has 1.4 million shares of stock outstanding. The stock currently sells for $20 per share. The firm's debt is publicly traded and was recently quoted at 93 percent of face value. It...
From the elements position on the periodic table, predict the electron configuration of each atom. a. Fe b. Ba
Georgia Orchards produced a good crop of peaches this year. After preparing the following income statement, the company believes it should have given its No. 3 peaches to charity and saved its...
Journal entries for both buyer and seller periodic inventory system Non-GST version The following transactions relate to the businesses of C. Wynn and C. Vale. Both businesses use a periodic...
The College Board SAT college entrance exam consists of three parts: math, writing, and critical reading (The Wall Almanac, 2012). Sample data showing the math and writing scores for a sample of 12...
The amount of realized gain to be recognized in a tax year is equal to the gross profit multiplied by the ratio of payments received in the current year divided by the total contract price. ...
For the rotational system shown in Figure P2.24, find the transfer function, G(s) = L (s)/T(s). Figure P2.24 2 N-m-s/rad 2 N-m/rad N2 = 20 A 1 kg-m2 E0000 N3 = 40 N1 = 5 N4= 10 0.02 N-m-s/rad
A curator has 36 paintings and 44 sculptures from which they will randomly select eight items to display in their gallery. Find the probability that the display consists of at least three more...
a. Find the number of ways in which Alvaro can paint his back door and his front door in a different colour if he has 14 colours of paint to choose from. b. In how many ways could Alvaro do this if...
Why is cost accumulation simpler in a process costing system than it is in a job-order costing system?
The original question and answers are shown below, but my question is how do we get the value:Pound0.98 when answering the part B question? Assume a forward contract on pound sterling. Suppose the...
Think about organizations that you have been involved in either in the past or currently. Can you remember their slogan? Why would remembering it be valuable for organizations?
Prompt:Choose an editorial from within the past 5 years (An editorial is an opinion piece that presents the writer's opinion on an issue supported with facts) from the New York Times, the Wall Street...
1. What other "full costs of attendance" expenses might be included in a scholarship other than travel to or from home and clothing? Is the $3,000 to $6,000 cost allocation too much, too little, or...
This is your first experience with public speaking and you're very nervous. You're afraid you'll forget your speech and stumble. So you're wondering if it would be a good idea to alert your audience...
a. If two signals differ by 1.5 ppm in a 300-MHz spectrometer, by how much do they differ in a 100-MHz spectrometer? b. If two signals differ by 90 hertz in a 300-MHz spectrometer, by how much do...
What are the typical record-at-a-time operations for accessing a file? Which of these depend on the current file record?
Given that 3cos 2x + 17 sin x = 8, find the exact value of sin x.
Given that sinA = 4/5 and sinB = 5/13, where A and B are acute, show that sin(A + B) = 63/65.
Prove the identity 8sin 2 x cos 2 x 1 cos 4x.
What it means financial analysis and management? What is money and money control? What is monetary?
How does Vygotsky's theory of learning help us understand the interaction between the individual and his environment? Give two examples.
Union Fork, Inc. has five distribution centers located at the location coordinates given as follows. The demand at each center is also given. DC Coordinates (2.4) Demand A 10 B (6, 2) 15 C (4,10) 25...

a. From the 26 letters of the English alphabet, find how many ways there are to choose:

Question:

Step by Step Answer:

In general three or four factors must be known or estimated ...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

Students also viewed these Mathematics questions