help 23-30 9463 Total 27,079 What is the probability that a student is between 23 and...
4 or 5 Total Assuming that a single student is randomly selected from the sample data: (a) What is the probability that the student skips class sometimes, often or almost always and has an A average grade? (b) What is the probability that the student has an average grade of B or less? Yo What is the probability that the student skips class rarely or never, given that she/he has a B average grade? (d) Test at the 1% significance...
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(1 point) 35 people are randomly selected and the accuracy of their wristwatches is checked, with positive errors representing watches that are ahead of the correct time and negative errors representing watches that are behind the correct time. The 35 values have a mean of 94sec and...
Economics- Probability and stats
1. Find the value of the 75th percentile of the following array: 5,10,43,9,8,6,2,5 A) 8 B) 9 C) 9.5 D) 8.5 2. Two independent events, A and B, where the P(B) is 0.44 and the probability that A does not occur or B occurs is 0.74. What is the probability that event A occurs? A) 0.3 B) 0.54 C) 0.46 D) 0.28 3. Which of the following is FALSE? A) B) A sampling distribution is a...
20) olesterol levels (in milligrams per deciliter) of 30 adults are listed below. Find Q1 154 156 165 165 170 171 172 180 184 185 189 189 190 192 195 198 198 200 200 200 205 205 211 215 220 220 225 238 255 265 A) 180 D) 184.5 C) 171 B) 200 21) Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject Ho for the level of significance a Right-tailed test...
Student What is your height in inches? What is your weight in pounds? What is your cumulative Grade Point Average (GPA) at FTCC or your primary college? How many hours do you sleep each night? 1 67 100 4 7 2 62 105 4 5 3 72 120 4 8 4 61 125 4 7 5 56 105 3.7 6 6 61 120 4 7 7 65 172 3.8 7 8 72 235 3.22 5 9 63 135 4 6...