https://padlet.com/jessicaleong/950rasay931emcel en-us 2023-06-27 00:52:58 UTC 2025-11-06 12:09:57 UTC hello@padlet.com jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2632897284 An electronic factory is supplied with 750 microchips. To determine if the microchip supplied are in good condition, 20 microchips are selected at random and inspected. If none or only one of the microchip is defective, then the supply of 750 microchips will be accepted.
Suppose that the entire supply of 750 microchips contains 37 defective microchips. Find the probability that the supply will be accepted entirely and the probability that exactly one microchip will be found to be defective if it is known that the entire supply has been accepted.]]> 2023-06-27 00:58:31 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2632897284 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2632905591 In an experiment, three balls are selected at random without replacement from a box containing 4 red balls and 6 black balls. The experiment is repeated for 100 times. Throughout the procedure, how many red balls are expected to be selected?]]> 2023-06-27 01:06:37 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2632905591 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2632908344 When a biased six-faced die is tossed, the probability of getting an even number is 2 times higher than the probability of getting an odd number. The die is tossed seven times and the outcomes are recorded. What is the probability that the sum of the seven outcomes is an odd number?]]> 2023-06-27 01:09:15 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2632908344 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2632908743 2023-06-27 01:09:38 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2632908743 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2632910776 Set S contains 7 distinct integers. The median and the largest integer in the set is m and 3m respectively. What is the range of the set when the possible mean of the set is highest?
A) 2m-1
B) 2m-2
C) 2m+3
D) 2m+4]]> 2023-06-27 01:11:29 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2632910776 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638523383 2023-07-05 05:18:03 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638523383 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638524039 2023-07-05 05:18:54 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638524039 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638524643 2023-07-05 05:19:45 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638524643 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638525037 2023-07-05 05:20:20 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638525037 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638526661 A set of positive integers from 1 to 55 (inclusive) where each integer only appears once in the set are placed in 11 groups of 5 each. What is the difference between the largest possible median and smallest possible median of these 11 groups?
A) 50
B) 54
C) 52
D) The provided information is insufficient.]]> 2023-07-05 05:22:35 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638526661 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638528557 2023-07-05 05:25:14 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638528557 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638529161 2023-07-05 05:26:09 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638529161 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638530306 2023-07-05 05:27:53 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638530306 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638531839 Consider all the six digit numbers that can be formed using digits 1, 2, 3, 4, 5 and 6, each digit being used exactly once. How many six digit numbers have the property such that the number is divisible by the digit as its unit place?
A) 624
B) 648
C) 672
D) 720]]> 2023-07-05 05:30:03 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638531839 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638539204 2023-07-05 05:40:44 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638539204 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638539954 2023-07-05 05:42:01 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638539954 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638540411 2023-07-05 05:42:46 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638540411 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638542114 2023-07-05 05:45:44 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638542114 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638542971 2023-07-05 05:47:08 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638542971 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638544303 2023-07-05 05:48:53 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638544303 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2638545715 2023-07-05 05:51:11 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2638545715 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2646211036 Consider all the six digit numbers that can be formed using digits 1, 2, 3, 4, 5 and 6, each digit being used exactly once. How many six digit numbers have the property such that the number is divisible by the digit at its unit place?
A) 624
B) 648
C) 672
D) 720]]> 2023-07-17 06:18:05 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2646211036 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2646212447 Please refer to the next post for the question.]]> 2023-07-17 06:20:33 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2646212447 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2646212613 2023-07-17 06:20:54 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2646212613 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2646213524 2023-07-17 06:22:36 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2646213524 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2652365721 2023-07-28 01:08:58 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2652365721 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2652490162 2023-07-28 05:32:13 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2652490162 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2659298396 There are 35 people in a room, what is the probability that at least 2 people have the same birthday? Assume that birthdays are uniformly distributed and there is no leap year complication.]]> 2023-08-10 08:08:48 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2659298396 jessicaleong https://padlet.com/jessicaleong/950rasay931emcel/wish/2661864221 An urn contains 3 red, 2 blue and 5 white balls. A ball is selected and its colour is noted. Then it is replaced with a black ball. A second ball is selected and placed back into the urn after colour is noted. If the second ball is a black ball, three purple will be added into the urn. If the second ball is not a black ball, ten white balls will be added. If the second ball is a red or blue, five black balls will be added. Then, a third ball will be selected. Find the probability of getting black ball in third selection if second ball is a red ball.]]> 2023-08-14 23:21:27 UTC https://padlet.com/jessicaleong/950rasay931emcel/wish/2661864221