# Question: A radio station that plays classical music has a by

A radio station that plays classical music has a “by request” program each Saturday evening. The percentages of requests for composers on a particular night are as follows:

Bach........... 5%

Mozart........... 21%

Beethoven.......... 26%

Schubert........... 12%

Brahms........... 9%

Schumann........... 7%

Dvorak........... 2%

Tchaikovsky......... 14%

Mendelssohn......... 3%

Wagner............ 1%

Suppose that one of these requests is randomly selected.

a. What is the probability that the request is for one of the three B’s?

b. What is the probability that the request is not for one of the two S’s?

c. Neither Bach nor Wagner wrote any symphonies. What is the probability that the request is for a composer who wrote at least one symphony?

Bach........... 5%

Mozart........... 21%

Beethoven.......... 26%

Schubert........... 12%

Brahms........... 9%

Schumann........... 7%

Dvorak........... 2%

Tchaikovsky......... 14%

Mendelssohn......... 3%

Wagner............ 1%

Suppose that one of these requests is randomly selected.

a. What is the probability that the request is for one of the three B’s?

b. What is the probability that the request is not for one of the two S’s?

c. Neither Bach nor Wagner wrote any symphonies. What is the probability that the request is for a composer who wrote at least one symphony?

**View Solution:**## Answer to relevant Questions

Suppose that the following information on births in the United States over a given period of time is available to you: Use this information to approximate the probability that a randomly selected pregnant woman who reaches ...In a small city, approximately 15% of those eligible are called for jury duty in any one calendar year. People are selected for jury duty at random from those eligible, and the same individual cannot be called more than once ...The paper “The Effect of Temperature and Humidity on Size of Segregated Traffic Exhaust Particle Emissions” (Atmospheric Environment [2008]: 2369–2382) gave the following summary quantities for a measure of traffic ...Consider the population that consists of all soft contact lenses made by a particular manufacturer, and define the variable x = thickness (in millimeters). Suppose that a reasonable model for the population distribution is ...Determine the value z* that a. Separates the largest 3% of all z values from the others b. Separates the largest 1% of all z values from the others c. Separates the smallest 4% of all z values from the others d. Separates ...Post your question