Probability

How probable is a randomly selected three-digit number divisible by five or seven?

Correct result:

p =  31.3333 %

Solution:

a=282 b=999100+1=900 p=100 ab=100 282900=943=31.3333%



We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you!






Showing 0 comments:
avatar




Tips to related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
See also our right triangle calculator.
See also our trigonometric triangle calculator.
Would you like to compute count of combinations?

 
We encourage you to watch this tutorial video on this math problem: video1

Next similar math problems:

  • Air draft
    numbers2_2 The numbers 1,2,3,4,5 are written on five tickets on the table. Air draft randomly shuffled the tickets and composed a 5-digit number from them. What is the probability that he passed: and, the largest possible number b, the smallest possible number c, a
  • Divisible by 5
    175px-5th_MarDiv How many three-digit odd numbers divisible by 5, which are in place ten's number 3?
  • Rectangle
    diagonal In a rectangle with sides, 6 and 3 mark the diagonal. What is the probability that a randomly selected point within the rectangle is closer to the diagonal than to any side of the rectangle?
  • Inverted nine
    clock-night-schr In the hotel,, Inverted nine" each hotel room number is divisible by 6. How many rooms we can count with three-digit number registered by digits 1,8,7,4,9?
  • Three-digit integers
    numbers2_49 How many three-digit natural numbers exist that do not contain zero and are divisible by five?
  • 7 digit number
    numbers2_49 If 3c54d10 is divisible by 330, what is the sum of c and d?
  • Digit sum
    cisla_7 How many are three-digit numbers that have a digit sum of 6?
  • Prime number
    prime_2 Jan wrote any number from 1 to 20. What is the probability that he wrote the prime number?
  • Three digits number
    3digit From the numbers 1, 2, 3, 4, 5 create three-digit numbers that digits not repeat and number is divisible by 2. How many numbers are there?
  • Twenty-five
    prime How many three-digit natural numbers are divisible by 25?
  • Divisible by nine
    numbers_2 How many three-digit natural numbers in total are divisible without a remainder by the number 9?
  • Four-digit number
    numbers_1 Find also a four-digit number, which quadrupled written backwards is the same number.
  • Three-digit
    seven How many three-digit natural numbers do not have the number 7?
  • Combinations
    circles How many different combinations of two-digit number divisible by 4 arises from the digits 3, 5 and 7?
  • Screws
    mosadz The box contains 8 iron, 6 brass, and 4 titanium screws. What is the probability that the randomly selected screw will not be brass?
  • Ace or king
    cards What is the probability that we will choose an ace or a king when choosing from a deck of sevens cards?
  • Digit sum
    number_line_3 The digit sum of the two-digit number is nine. When we turn figures and multiply by the original two-digit number, we get the number 2430. What is the original two-digit number?