Answer:
(a) 1/2
(b) 9/10
Step-by-step explanation:
Probability is given by number of possible outcomes ÷ number of total outcomes
(a) Number of possible outcomes = 5 questions, number of total outcomes = 10 questions
Probability (I answer all 5 problems correctly) = 5/10 = 1/2
(b) Probability (I answer at least 4 of the problems correctly) means I either answer 4 of the problems or all 5 problems correctly = 4/10 + 5/10 = 9/10
Answer:
$0.40
Step-by-step explanation:
20 pounds = $8.00
1 pound = $8.00÷20
1 pound = $0.40
Answer:
Step-by-step explanation:
circumference=2πr
=2*3.14*20
=125.6 inches
Definitely irrational, and I'd say 1.4
5.65101051635493 The thing is it could be any number that couldnt be written as a fraction