Carlos flips a coin 40 times, and the coming shows tails 24 times. What is the relative frequency of tails to coin flips?

Which expression is equivalent to the expression shown?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?