qwerty8831 qwerty8831

03-05-2021
Mathematics

contestada

A bag contains 4 red, 5 black and 6 white balls. A ball is drawn at random. Find the probability that the ball drawn is (i) black (ii) not blac

Respuesta :

rainv218 rainv218

03-05-2021

Answer:

(i) 33.33%

(ii) 66.66%

Step-by-step explanation:

(i) 5 black so 5 out of 15

5 divided by 15 equals .333333 and then multiple it by 100 to get the percentage

(ii) 10 not black so 10 out of 15

10 divided by 15 equals .6666666 and mutlple by 100 to get the percentage

Answer Link

Otras preguntas

A moderate wind accelerates a pebble over a horizontal xy plane with a constant acceleration a with arrow = (4.60 m/s2)i hat + (7.00 m/s2)j. At time t = 0, the

In a well-known study of California men, being aggressive and impatient was found to be related to ________, which shows that ________

A hot-air balloon is rising upward with a constant speed of 2.85 m/s. When the balloon is 2.50 m above the ground, the balloonist accidentally drops a compass o

2. Explain what a drug is and why drugs can be addictive. why is there no answer to this

Why is OS important in every data processing system? Please Answer Fast!

Which atomic model states that it is impossible to know the exact location of electrons around the nucleus?

An article needs a headline...... (A) Only if you can think of one (B) To be catchy and encourage people to read it (C) To be in Capital letters and bold (D) To

Write a programmer defined function that compares the ASCII sum of two strings. To compute the ASCII sum, you need to compute the ASCII value of each character

A librarian needs to package up all of the children’s books and move them to a different location in the library there are 625 books and she can fit 25 books in

ASAAPPP NEED HELP IF ANYONE IS AROUND i. Using carbon skeletal notation, write the dehydration-condensation reaction that occurs between ethanol and butanoic ac