Assume that​ 20% of students at a university wear contact lenses. We randomly pick 200 students. Would it be unusual to obtain a sample proportion of​ 22%? Answer by calculating the appropriate​ z-score. Round to two decimal places when necessary.

560

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c

c

c

c

c

c

c

cc

c

step-by-step explanation:

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

the first option is the answer.