Mathematics, 11.10.2020 23:01 laniyasontee
Suppose a university advertises that its average class size is 32 or less. A student organization is concerned that budget cuts have led to increased class sizes and would like to test this claim. A random sample of 40 classes was selected, and the average class size was found to be 34.8 students. Assume that the standard deviation for class size at the college is 99 students. Using α=0.10, complete parts a and b below. a. Does the student organization have enough evidence to refute the college's claim?Determine the null and alternative hypotheses. Upper H 0H0:μ▼Upper H 1H1:μ▼
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Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?
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Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2
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Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
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Suppose a university advertises that its average class size is 32 or less. A student organization is...
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