katwest2015 katwest2015
  • 11-11-2020
  • Mathematics
contestada

A sample of 4 different calculators is randomly selected (without replacement) from a group containing 47 that are defective and 30 that have no defects. What is the probability that all four of the calculators selected are defective?

Respuesta :

nmccraven nmccraven
  • 11-11-2020

Answer:

0.1318 or 13.18%

Step-by-step explanation:

47/77 * 46/76 * 45/75 * 44/74

Answer Link

Otras preguntas

Overload is the act of exercising a muscle to fatigue. a. True b. False
how can i evaluate (-7/10+0.15)÷(-0.125) please help
true or false air is carried through blood vessels
If a university wants to maintain a 14:1 ratio between students and teachers, how many teachers would be needed to accommodate 896 students
There is only one tool used to heat equipment in the laboratory. a. True b. False
Add to find the sum 2/10 + 3/100 =
Is discipline the best method for self control?
Where is 70% of Earth's fresh water stored? in lakes in rivers in groundwater in glaciers
Write a unit rate for the situation. Round to the nearest hundredth if necessary. driving 140 mi in 2 h 45 min
Hunting and gathering societies which generate very little surplus food and material property are described by sociologists as ________ economies.