nicoleladybug13 nicoleladybug13

14-04-2017
Mathematics

contestada

Simona's music book includes 50 piano tunes, of which 7 are by Bach, and 18 are by Mozart. If Simona chooses a tune at random, what is the probability that it is either by Bach or by Mozart?

Respuesta :

theflutefairy theflutefairy

14-04-2017

1/2, because there are 25 tunes by Bach or Mozart, and 25/50 simplifies to 1/2

Answer Link

Otras preguntas

Methyl orange (HMO) is an acid-base indicator. Its two forms in solution are HMO (red) and MO- (yellow). When HMO is added to distilled water, the solution is y

Jill earns a yearly salary of $40,000 plus 15% commission on total sales. Shonda earns a $55,000 yearly salary plus 10% commission on total sales. If Jill and S

Why might one doubt that current forms of digital money, such as Bitcoin, will replace more traditional fiat currencies? The private digital currencies current

Which is not a reason that adult family members might advise you to avoid alcohol? They know that possessing alcohol when you’re under the age of 21 can resu

Match the chemical with the statement that best describes the observed change in the rate of the reaction when the concentration of that chemical was changed an

What is adaptations?

Gibson (1986) asked a sample of college students to complete a self-esteem scale on which the midpoint of the scale was the score 108. He found that the average

Consider the two functions. Which statement is true? A) The rate of change for function A and function B are the same. B) The slope of function B is negative a

what is the poverty rate in greenland 2020

The managers at Movo Automobile Inc. want to diversify their business by acquiring a consumer electronics company. This acquisition would mean increased job sec