Question

The probability that Maria is carrying the Language and Literature book is 45% and that she is carrying the Economy is 60%. The probability that he carries at least one of the two books is 80%. a) What is the probability that he does not have any books? b) If you have brought the Language and Literature book, what is the probability that you have not brought the Economics book?

99

likes
495 views

Answer to a math question The probability that Maria is carrying the Language and Literature book is 45% and that she is carrying the Economy is 60%. The probability that he carries at least one of the two books is 80%. a) What is the probability that he does not have any books? b) If you have brought the Language and Literature book, what is the probability that you have not brought the Economics book?

Expert avatar
Sigrid
4.5
119 Answers
a) La probabilidad de que María lleve al menos uno de los dos libros es del 80%, lo que significa que la probabilidad de que no tenga ningún libro es el complemento: 1 - 80% = 20%. Por tanto, la probabilidad de que María no tenga ningún libro es del 20%.

Frequently asked questions (FAQs)
Find the distance from the center of an ellipse with semi-major axis length 6 and semi-minor axis length 4 to points on the ellipse at angles of 45 degrees and 135 degrees.
+
What is the median of a set of numbers if there are an even number of elements?
+
Math Question: What is the 4th derivative of f(x) = 3x^5 + 4x^3 - x^2 + 2x - 1?
+
New questions in Mathematics
1 + 1
-6n+5=-13
5(4x+3)=75
Find the equation of the normal to the curve y=x²+4x-3 at point(1,2)
how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE
By direct proof, how can you prove that “The sum of any three consecutive even integers is always a multiple of 6”.
5.- From the probabilities: 𝐏(𝐁) = 𝟑𝟎% 𝐏(𝐀 ∩ 𝐁) = 𝟐𝟎% 𝐏(𝐀 ̅) = 𝟕𝟎% You are asked to calculate: 𝐏(𝐀 ∪ 𝐁)
If 0101, what is the binary representation of the 4x16 decoder output?
What is 28 marks out of 56 as a percentage
Two business partners have a bank balance of $17,942.00. After the first year their interest brings their balance to $18,928.91. What rate of interest is earned?
suppose random variable x follows poisson distribution with expected value 3. what is variance of x?
Calculate the value of a so that the vectors (2,2,−1),(3,4,2) and(a,2,3) are coplanar.
From 1975 through 2020 the mean annual gain of the Dow Jones Industrial Average was 652. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume the standard deviation is 1539
effectiveness of fiscal and monetary policy under closed and open economies
A diamond ring was reduced from $999.99 to $689.99. Find the percent reduction in the price. Round the answer to the nearest tenth of a percent, if necessary.
Calculate the area of the parallelogram with adjacent vertices (1,4, −2), (−3,1,6) 𝑦 (1, −2,3)
What is the total amount due and the amount of interest on a 3-year loan of $1,000 at a simple interest rate of 12% per year?
22. Let [AB] be a chord in a circle C, and k a circle which is internally tangent to the circle C at a point P and to the chord [AB] at a point Q. Show that the line P Q passes through the midpoint of the arc AB opposite to the arc APB.
5a-3.(a-7)=-3
f(x)= 9-x^2 find (f(x+h)-f(x) )/h