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
120 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)
What is the average number of pets owned by 20 students in a class if the data shows that 5 students own no pets, 7 students own 1 pet, 4 students own 2 pets, and 4 students own 3 pets?
+
Math question: What is the limit as x approaches 2 of (3x^2 + 2x - 5)/(x - 2)?
+
What is the measure of an angle bisector if the angle it bisects measures 120 degrees?
+
New questions in Mathematics
Solution to the equation y'' - y' - 6y = 0
Exercise 4 - the line (AC) is perpendicular to the line (AB) - the line (EB) is perpendicular to the line (AB) - the lines (AE) and (BC) intersect at D - AC = 2.4 cm; BD = 2.5 cm: DC = 1.5 cm Determine the area of triangle ABE.
Using the integration by parts method, calculate the integral of [x².ln(1/x)]dx: x 4 /4 x³/6 x 4 /8 x³/3 x 4 /6
The equation of the circle that passes through (5,3) and is tangent to the abscissa axis at x=2 is a.(x-2)^2 (y 3)^2 = 9 b.(x-2)^2 (y-3)^2 = 9 c.(x-2)^2 (y-3)^2 = 4 d.(x-2)^2 (y 1)^2 = 4 e.(x-2)^2 (y-1)^2 = 4
Sean must chose a 6- digit PIN number for his online banking account.Each digit can be chosen from 0 to 9. How many different possible PIN numbers can sean chose.
If the midpoint of point A on the x=3 line and point B on the y=-2 line is C(-2,0), what is the sum of the ordinate of point A and the abscissa of point B?
41/39 - 1/38
A warehouse employs 23 workers on first​ shift, 19 workers on second​ shift, and 12 workers on third shift. Eight workers are chosen at random to be interviewed about the work environment. Find the probability of choosing exactly five first ​-shift workers.
28 is 92 percent of what?
Given (3x+2)E [2;14] how much money (in soles) does Sophia have if numerically it is the greatest value of x?
TEST 123123+1236ttttt
Two minus log 3X equals log (X over 12)
The population of Pittsburgh, Pennsylvania, fell from 520,117 in 1970 to 305,704 in 2010. Write an exponential function P(t) modeling the population t years after 1970. Round the growth factor to the nearest tem thousandth.
Solve equations by equalization method X-8=-2y 2x+y=7
A cell phone company offers two calling plans. Plan A: $20 per month plus 5 cents for each minute, or Plan B: $30 per month plus 3 cents for each minute. [2] Write an equation to describe the monthly cost (a) C (in $) in terms of the time m (in minutes) of phone calls when Plan A is applied.
factor the polynomial completely over the set of complex numbers b(x)=x^4-2x^3-17x^2+4x+30
Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.
the product of a 2-digit number and a 3-digit number is about 50000, what are these numbers
Determine the general solution of the equation y′+y=e−x .
8(x+4) -4=4x-1