Chauncey determined that 50 percent of students at his school voted Republican in the last election, with a sampling error (also known as standard error) of 5 percent. What is the confidence interval for 95 percent confidence level?

95% confidence interval: (0.402,0.598)

Step-by-step explanation:

We are given the following in the question:

Proportion of student who voted Republican in the last election = 50%

Standard error = 5% = 0.05

95% confidence interval:

Putting values, we get,

is the required confidence interval.

answerthe vertex form

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.