subject
Mathematics, 30.04.2021 17:00 alfarodougoy8lvt

POSSIBLE POINTS: 4 A company advertises that its batteries still have a 80% chance of working when they are 10 years old You find a pack of 20 batteries in a drawer that are
10 years old, so you start to test them to see if they work. What is the probability that you start with 4 good batteries and then get a defective battery?
+

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi
Answers: 1
question
Mathematics, 21.06.2019 21:30
Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?
Answers: 1
question
Mathematics, 21.06.2019 22:00
If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?
Answers: 3
question
Mathematics, 21.06.2019 22:30
Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)
Answers: 1
You know the right answer?
POSSIBLE POINTS: 4 A company advertises that its batteries still have a 80% chance of working when...
Questions
question
Mathematics, 22.10.2020 03:01
question
Mathematics, 22.10.2020 03:01
question
Mathematics, 22.10.2020 03:01