At a certain college, it is estimated that at most 20% of the students ride bicycles to class. Does this seem to be a valid estimate if, in a random sample of 87 college students, 21 are found to ride bicycles to class? Use a 0.10 level of significance Click here to view page 1 of the standard normal distribution table Click here to view page 2 of the standard normal distribution table H1: p#02 H1 : P OB. Z 128 Find the test statistic. z = 128 (Round to two decimal places as needed ) Tutoring Help me solve this Get more help - Clear all Check