Consider the following data:
x 1 2 3 4 5
P(X=x) 0.2 0.2 0.2 0.2 0.2

Find the standard deviation. Round your answer to one decimal place.

ANSWER: 0

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Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?