Mathematics, 13.11.2019 18:31 cupcakesmc619
Is fast food messing with your hormones? examine the results of a study1 investigating whether fast food consumption increases one’s concentration of phthalates, an ingredient in plastics which has been linked to multiple health problems including hormone disruption. the study included 8877 people who recorded all the food they ate over a 24-hour period and then provided a urine sample. two specific phthalate byproducts were measured (in ng/ml) in the urine: dehp and dinp. find a 95% confidence interval for the difference, μf-μn, in mean concentration between people who have eaten fast food in the last 24 hours and those who haven’t. the mean concentration of dehp in the 3095 participants who had eaten fast food was x¯f=83.6 with sf=194.7 while the mean for the 5782 participants who had not eaten fast food was x¯n=59.1 with sn=152.1.the 99% confidence interval is to .
Answers: 3
Mathematics, 20.06.2019 18:02
Allie answered 72% of the questions on her math test correctly. if she answered 18 questions correctly, how many questions were on the test?
Answers: 2
Mathematics, 21.06.2019 16:00
If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?
Answers: 1
Mathematics, 21.06.2019 17:00
How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21
Answers: 1
Mathematics, 21.06.2019 19:30
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
Answers: 2
Is fast food messing with your hormones? examine the results of a study1 investigating whether fast...
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