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)
Math question: Find the derivative of f(x) = 3x^2 + 7x - 5 using the basic rules of derivatives.
+
What is the integral from 1 to 5 of 3x^2 dx?
+
Question: Find the value of f(x) = 3x^2 - 4x + 5 at x = 2.
+
New questions in Mathematics
Find two natural numbers whose sum is 230 and their difference is 10. Set up the system and solve it.
2+2
90 divided by 40
Two events E and F are​ ________ if the occurrence of event E in a probability experiment does not affect the probability of event F.
The mean life of a television set is 119 months with a standard deviation of 13 months. If a sample of 67 televisions is randomly selected, what is the probability that the sample mean would be less than 121 months? Round your answer to four decimal places
Convert 78 percent to a decimal
form a key for your lock containing the numbers 2 2 5 8 How many different keys can you form?
Raúl, Gilberto and Arturo are playing golf; The probabilities of winning for each one are as follows: (Raúl wins) = 20% (Gilberto wins) = 0.05% (Arturo wins) = ¾%. Perform operations and order events from least to most probable.
TEST 123123+1236ttttt
cube root of 56
Write the equation of the line that is parallel to y= 4x-7 and has a y- intercept at (0,5)
find missing measure for triangle area = 48 m square base = 10m heaighy = ? m
Two particles of electrical charges Q1=3.8×10-⁶C and q,=4.4×10-⁶C are separated in vacuum by a distance of 4.0.10-⁸ m. Since K=9.0.10⁹ N.m²/C², the intensity of the interaction force between them, in newtons, is?
Below are three 95% CIs (where 𝜎 was known and 𝑥̅happened to be the same); one with sample size 30, one with samplesize 40, and one with sample size 50. Which is which?(66.2, 76.2)(61.2, 81.2)(56.2, 86.2)
Evaluate ab+dc if a=56 , b=−34 , c=0.4 , and d=12 . Write in simplest form.
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.
2.3 X 0.8
6(k-7) -2=5
Sarah is lining a square tray with 1 inch square tiles. the side length of the tray is 9 inches. How many tiles does Sarah need?
Matilde knows that, when driving her car from her office to her apartment, she spends a normal time of x minutes. In the last week, you have noticed that when driving at 50 mph (miles per hour), you arrive home 4 minutes earlier than normal, and when driving at 40 mph, you arrive home 5 minutes earlier later than normal. If the distance between your office and your apartment is y miles, calculate x + y.