scansino501 scansino501
  • 24-06-2022
  • Mathematics
contestada

There are 10 USB drives in a box and 3 are defective. Two drives are to be selected, one after the other. What is the probability of selecting a defective USB followed by another defective USB?

Respuesta :

konrad509
konrad509 konrad509
  • 24-06-2022

[tex]|\Omega|=10\cdot9=90\\|A|=3\cdot2=6\\\\P(A)=\dfrac{6}{90}=\dfrac{1}{15}\approx6.7\%[/tex]

Answer Link

Otras preguntas

divide the fractions (2/3) divided by (3/11)
Why does the federal government impose tariffs?
What modifies nouns or pronouns?
Write words to match the expression:24-(6+3)
Which of the following is correct? a. My father has just won a trip to australia. b. My Father has just won a trip to australia. c. My father has just won a
what is brown has a hump and live in the North Pole
how can an argument be made that an arms build-up-might lead to peace
What is the difference between osmosis and diffusion? A. Diffusion uses energy, but osmosis does not. B. Osmosis is movement of proteins, and diffusion is movem
The difference of a number divided by 3 and 9 is equal to 8 .
low-fuel landing 25% instrument failure 15% bad weather 5% failed landing gear 15% engine failure 20% autopilot failure 15% normal conditions 5% At a flight-tra