Prove that a cyclic parallelogram is a rectangle.
find the mean of first 10 prime numbers
Two coins are tossed simultaneously . Find the probability of getting
(a) two heads
(b) at least one head
(c) no head
(d) at most one head
Every letter of the English alphabet is coded into numbers like A stands for 1, B for 2 and so on.. Decode the letters used in the phrase RESPECT GIVEN IS RESPECT EARNED. Find the probability of each letter used (only once) to form the phrase from the total sum of all the 27 decoded letters
The king, queen and jack of clubs are removed from a deck of 52 playing cards and then well shuffled. One card is selected from the remaining cards. Find the probability of getting
1. A heart
2. A king
3. A club
4The '10' of hearts
Q. Three coins are tossed simultaneously 200 times with the the following frequencies of different outcomes:
3 heads 23
2 heads 72
1 head 77
no head 28
How to find probability of getting:
1. three heads 2. at least two heads 3. two heads and one tail
how to write a maths project for icse class ix on planning a delivery route for a postman
in a cricket match a batsman hit a boundary 6 times out of 30 balls she plays. find the probablity that she did not hit boundary?
give me chapter wise weightage of all the chapter in maths of sa2 exam..
a class consist of 50 students out of which 30 are girls . the mean of marks scored by girls in a test is 73 & that of the boys is 71 . find the mean score of whole class .
A piggy bank contains hundred 50 p coins,fifty 1 rupee coins,twenty 2 rupee coins &ten 5 rupee coins.If it is equally likely that one of the coins will fall out when the bank is turned upside down,what is the probability that the coin: 1)will be a 50p coin? 2)will not be a 5 rupee coin? 3)which mathematical concept is used in above problem? 4)what is its value? ( pls .... i need the answer today)
The probability of guessing the correct answer to a certain question is X/2 (X by 2). If probabiliy of not guessing the correct answer is 2/3 (2 by 3), then find X.
Please answer the question urgently. My exam is on 20th Thursday.
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