nich of the following is EBNGF?

A parent downloads an app that allows him to monitor the amount of screen time his child is using on the phone. The child claims that she is only using 1 hour per day on the phone on average, but the app, over the course of 47 days, finds that the child used an average of 1.2 hours per day. The parent wants to know if the child is using an average of 1 hour per day for all days of use. a) The 1.2 is a/an: variable population parameter sample statistic observational unit b) The sample size is: 1 47 1.2 c) Each day is a/an: population parameter observational unit variable sample statistic

H216T: Quantitative Reasoning II home >6.1:Counting zyBooks catalog CHALLENGE 6.1.1: Counting. ACTIVITY 380482232410dny Jump to level 1 Parents are having triplet babies and have put 4 unique name cards in a bowl. * When the first baby is born, a parent draws a card and gives the baby that name. * When the second baby is born, the parent draws a card from the remaining names. * When the third baby is born, the parent draws a card from the remaining names. How many combinations of names were possiblé for those three babies? 2 Ex: 12 Check Feedback? is section?, GI Provide feedback acer D.

Exercise 5.7.4 A UMass Boston student has earned 55 credits toward his degree but has a GPA of just 1.80. The registrar has informed him that he is on probabtion and will be suspended unless his overall GPA is at least 2.0 after one more semester. a) If he takes 12 credits, what is the minumum GPA he must earn in the semester to avoid being suspended? b) Answer the same question if he takes 9 credits. c) What if he took just 6 credits?

Define β1 stands for?

Why do zebras have stripes? One hypothesis is that stripes help keep biting flies away. Trinity wants to test this hypothesis with an experiment. She will use 15 horses as the subjects in her experiment, and assign them to 3 treatments, as follows: 5 horses will wear a fabric coat that is printed with zebra stripes, as shown above 5 horses will wear nothing 5 horses will wear a fabric coat that is printed with a solid grey colour Trinity will record a video of each horse for 1 hour. She will use the video to determine the number of biting flies that land on the horse's back. a) What types of experimental group do each of (i), (ii), and (iii) represent? Choose from: Main experimental treatment group Classical control Positive control Negative control b) Why is it important for Trinity to include group (iii) in her study? Provide a brief explanation. Hint: you can describe potential scenarios for results to help explain why group (iii) is needed.  c) Can you suggest ONE potential…