 , 11.02.2021 21:40 Ezonthekid

# an economist is interested in studying the incomes of consumers in a particular country. The population standard deviation is known to be 1,000. A random sample of 100 individuals resulted in a mean income of 15,000/ What is the lower endpoint in a 99% confidence interval for the averga eincome   ### Another question on Mathematics Mathematics, 21.06.2019 19:20
The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to Mathematics, 21.06.2019 21:30
You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now? Mathematics, 21.06.2019 22:00
Common binomial factor of 6x(3x+7)+5(3x+7) Mathematics, 22.06.2019 00:00
28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !
an economist is interested in studying the incomes of consumers in a particular country. The populat...
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