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A random variable X can take on the values 6, -4 and 3 with probabilities 0.45, 0.25 and 0.3 respectively. That is P(X=6) = 0.45, P(X=-4) = 0.25 and P(X=3) = 0.3. Calculate E(X) correct to 2 decimal places.
asked
Oct 8, 2024
Mathematics
high-school
1
answer
187k
views
Find the AP and its 31st term, if the sum of the first n terms of the AP is: A. 2n - 3 B. 3n - 2 C. 4n - 5 D. 5n - 6
answered
May 12, 2024
Mathematics
high-school
1
answer
219k
views
You are provided with the following data, a) Earning per share = kes 10, b) Dividend per share = kes 6 c) cost of capital = 18% d) Rate of return = 25% e) Retention ratio = 45% Required: calculate the
answered
Apr 27, 2024
Business
high-school
1
answer
113k
views
if two points are at the same potential, does this mean that no net work is done in moving a test charge from one point to the other? does this imply that no force must be exerted? explain.
asked
Apr 24, 2024
Physics
high-school
1
answer
105k
views
Sir Winston Churchill was a British statesman _____ some have labelled as the greatest man ever to speak English language.
answered
Mar 24, 2024
English
high-school
1
answer
161k
views
Motor Skills V DUE August 30, 2021, 11:30 pm After reading chapter 3, specifically module 3.2, please answer the following: Do you think that differences in males' and females' motor skills are primarily
asked
Jan 6, 2024
Health
high-school
1
answer
183k
views
A store owner bought belts at $108 per dozen. If the markup is 45%,what price should be marked on each belt?A. $9.50B. $12.10C. $13.05
answered
Dec 21, 2023
Mathematics
college
1
answer
134k
views
Which of the following lists correctly identifies everything REQUIRED by aerobic respiration? 1. Carbon Dioxide, Water, Light 2. Carbon Dioxide, Water, Oxygen 3. Glucose, Oxygen, Light 4. Glucose, Oxygen
asked
Nov 20, 2023
History
high-school
1
answer
52.6k
views
Please help me with this
answered
Nov 15, 2023
Mathematics
college
2
answers
183k
views
Which classification best represents a triangle with side lengths 6 cm, 10 cm, and 12 cm? acute, because 62 + 102 < 122 acute, because 6 + 10 > 12 obtuse, because 62 + 102 < 122 obtuse, because 6 + 10 > 12
answered
Jul 26, 2023
Mathematics
high-school
2
answers
69.0k
views
A tool used to guide in drawing vertical and obligue lines
asked
Jul 3, 2023
English
high-school
1
answer
10.9k
views
X^4 - 3x^2 - 10 = 0 using the u
answered
May 24, 2023
Mathematics
college
1
answer
164k
views
(1)/(2) + (1)/(4)
asked
May 5, 2023
Mathematics
high-school
1
answer
191k
views
according to most states, which duty will you assist the pharmacist with when working as a pharmacy technician?
asked
Feb 8, 2023
Medicine
college
1
answer
119k
views
A manufacturer produces a commodity where the length of the commodity has approximately normaldistribution with a mean of 15.7 inches and standard deviation of 1.4 inches. If a sample of 45 items are chosenat
asked
Jan 11, 2023
Mathematics
college
1
answer
194k
views
The female sex organ of the ferns that produce an egg cell is called?
answered
Dec 24, 2022
Biology
college
1
answer
176k
views
PLS HELP MY PARENTS R GOING TO HIT ME
answered
Dec 19, 2022
Mathematics
high-school
1
answer
112k
views
3x^2 -10-8 what are the factors?
answered
Dec 15, 2022
Mathematics
high-school
1
answer
80.8k
views
Graph 5/3 on the number line.
answered
Nov 19, 2022
Mathematics
college
2
answers
69.3k
views
Freight Terms Determine the amount to be paid in full settlement of each of two invoices, (a) and (b), assuming that credit for returns and allowances was received prior to payment and that all invoices
asked
Nov 15, 2022
Business
high-school
1
answer
24.4k
views
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