Mathematics, 23.11.2019 02:31 Naysa150724
Aconsumer affairs investigator records the repair cost for 4 randomly selected tvs. a sample mean of $75.89 and standard deviation of $13.53 are subsequently computed. determine the 80% confidence interval for the mean repair cost for the tvs. assume the population is approximately normal.
step 1 of 2: find the critical value that should be used in constructing the confidence interval. round your answer to three decimal places.
step 2 of 2: construct the 80%80% confidence interval. round your answer to two decimal places.
Answers: 1
Mathematics, 21.06.2019 17:30, Justinoreilly71
The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number
Answers: 1
Mathematics, 21.06.2019 20:30, 20calzoy
Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row. sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length. o. the number of stitches is 3 times the length.
Answers: 2
Aconsumer affairs investigator records the repair cost for 4 randomly selected tvs. a sample mean of...
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