Answer:
a) 1/22
b) 3/44
c) 3/11.
Step-by-step explanation:
a).
Prob(picking a blue first) = 5/12.
Prob(picking a yellow next) = 4/11 ( as it is without replacement)
Prob(purple next) = 3/10
Probability of picking these in this order = 5/12 * 4/11 * 3/10
= 1/22 (answer).
Note the probabilities are multiplied because the 3 events are independent.
b)
Prob(all the same colour) = Prob(All are blue) + Prob(all are yellow) + Prob ( All are purple)
Prob(All are blue) = 5/12 * 4/11 * 3/10 = 1/22
Prob(all are yellow) = 4/12 * 3/11 * 2/10 = 1/55
Prob(all purple) = 3/12 * 2/11 * 1 /10 = 1/220
So probability there are all the same colour = the sum of the above
= 3/44 (answer).
c) I take this to mean that all 3 are a different colour.
This will be the number of combinations of blue, yellow and purple possible which is 3! = 6.
So the answer is 6 * 1/22 = 3/11.
We have been given a statement written by Galen which is
"If the sum of the digits in a number is divisible by 3, the original number is divisible by 3."
Now we need to select which statements are true regarding his work.
A: The hypothesis of the statement is "If the sum of the digits in a number is divisible by 3."
Answer:
TRUE
B: An equivalent statement is "If the sum of the digits in a number is divisible by 3, then the original number is divisible by 3."
Answer:
TRUE
C: The statement is not a conditional statement because it does not include both an "if" and a "then" clause.
Answer:
FALSE, I agree that it has not used the word "then" but meaning of the statement is in the form of if then clause.
D:The statement can be proven true or false.
Answer:
TRUE, As you can take some example of any random number to test that.
E:The conclusion of the statement is written before the hypothesis.
Answer:
FALSE.
Answer: (x+3) (x-20)
Step-by-step explanation:
Answer:
66.66
Step-by-step explanation:
100/30 = 3.3
Multiply 20 by 3.3, then you will get 66.66 or just 66.
(Didn't mean to write in the question box, ahah)
Answer:
मअजदलविििृससफफददअअअअखल ,र।।