Mathematics, 07.07.2020 18:01, paustin28
The scores on a Psychology exam were normally distributed with a mean of 67 and a standard deviation of 8. Create a normal distribution of these scores and answer the questions below. a. What percentage of the scores were less than 59%? b. What percentage of scores were over 83% c. If 160 students took the exam, how many students received a score over 75%?
Answers: 2
Mathematics, 21.06.2019 19:30, apere655
Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.
Answers: 1
The scores on a Psychology exam were normally distributed with a mean of 67 and a standard deviation...
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