Blog

Which of the following terms accurately describes the chemical bond indicated by the black arrow

In the Getting Started Module for this course, you were required to review proctoring information that explains how a test could be proctored if the instructor requires the test to be completed remotely. The content explained that your test session would be recorded with a camera and microphone. Do you have to turn OFF your phone for every math test in college? Be alone? Have a calculator for this course?  

Minutes To Eat Breakfast A survey of “How long does it take you to eat breakfast?” has these results:   Minutes: 0 1 2 3 4 5 6 7 8 9 10 11 12 People: 6 2 3 5 2 5 0 0 2 3 7 4 1 Which means that 6 people take 0 minutes to eat breakfast (they probably had no breakfast!), 2 people say they only spend 1 minute having breakfast, etc. Here is the dot plot:   How many people eat breakfast in Under 5 minutes?    

If z is a standard normal variable, find P( z > 0.77).

The following frequency distribution depicts the scores on a math test. Find the class midpoint of scores for the interval 95-99. Scores Number of Students 75-79 2 80-84 4 85-89 6 90-94 15 95-99 5

A store manager kept track of the number of newspapers sold each week over a seven-week period. The results are shown below.81, 71, 202, 113, 269, 55, 248, 242, 100 Find the median number of newspapers sold.

A tennis player makes a successful first serve 85% of the time. If they serve 8 times, what is the probability that she gets exactly 6 successful first serves in? Assume that each serve is independent of the others. Show your work on your paper.

The following frequency distribution represents the scores on a math test. Find the class midpoint of scores for the interval 40-59. Scores Number of students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5

Scores on a test have a mean of 69 and a standard deviation of 4.2. David has a score of 81. Convert the score to a z score.

A physical therapist is attempting to work with a patient that has moderately severe dementia on sit to stand transfers from their recliner. As the therapist provides upward and anterior pressure at the gait belt to assist the patient to stand, the patient involuntarily pushes backward through their legs and trunk making the transfer significantly more difficult. What is the name for this phenomenon?