Mathematics, 21.09.2020 09:01 gwendallinesikes
The average score of local students on a college entrance exam is 110 with standard deviation of 15. The distribution is roughly bell-shaped. What is the percentage of local student with score below 95? Use the empirical rule to find the following percentage.
A. 34%
B. 16%
C. 15.5%
D. 13.5%
Answers: 2
Mathematics, 21.06.2019 13:40
Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?
Answers: 2
Mathematics, 21.06.2019 17:20
Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached
Answers: 2
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
The average score of local students on a college entrance exam is 110 with standard deviation of 15....
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