The following data set represents the average number of minutes played for a random sample of professional basketball players in a recent season.
35.9 33.8
34.7
31.5
33.2 29.1
30.7 31.2 36.1 34.9
a) Find the sample mean and sample standard deviation.
b) Construct a 90% confidence interval for the population mean and interpret the
results. Assume the population of the data set is normally distributed.
c) Repeat part (b), assuming the population standard deviation is 5.25 minutes per
game. Interpret and compare the results.

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step-by-step explanation:

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!