Maths question needs answering! a mechanic at a garage checks the tyre on 50 cars. the table shows the results. estimate the probability that the next car to be tested will have a faulty tyre.

cars with faulty tires cars with no faulty tires
13 37

how is the answer .26 or 26%?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .