corylangham corylangham

16-07-2018
Mathematics

contestada

Suppose S and T are mutually exclusive events. Find P(S or T) if P(S) = 29% and P(T) = 49%.

Respuesta :

ivycoveredwalls ivycoveredwalls

16-07-2018

Mutually exclusive means that the intersection of the events is empty: P(S and T) = 0.

P(S or T) = P(S) + P(T) = 29% + 49% = 78%

If events S, T are not mutually exclusive, then P(S or T) = P(S) + P(T) - P(S and T)

Answer Link

Otras preguntas

american colonists were forced to let british soldiers into their homes. this led to

It was a matter of chance that I should have rented a house in one of the strangest communities in North America. It was on that slender riotous island which ex

A group of scientists are studying the internal parts of a cell. Which microscope is most appropriate for these scientists to use?

Which of the following equalities is not correct?

¿Qué comidas se encuentran en los quioscos de Piñones?

Which "sphere" does an astronomer most directly study? a. biosphere b. exosphere c. geosphere d. cryosphere E. atmosphere F. hydrosphere

Ravi's age is double Ranu's age. The product of their ages in years is 72. How old is Ranu?Please show work.

You deposit $6,700 in a money-market account that pays an annual interest rate of 3.3%. The interest is compounded quarterly. How much money will you have after

What is true about energy? (2 points) Energy cannot be created during an ordinary chemical reaction. Energy is used up during an explosion. There is mo

someone please help. Will mark brainliest!