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- q29-IF X-N(47, 225). Find the z-score of X=53 O A. -0.4 O B. 1.25 O C. None of these O D. -0.73 O E. 0.4arning cademy for Science, Technology& Maritime Transport Given the normally distributed r.v. x with o= 2 and Px> 15) = 0.9938 then H equals: Select one: a. Otherwise b. 20.0 C. -10.0 d. 5.0 Ne Type here to search
- A Park Service arborist is curious if nature preserve volunteers measure the diameter of the sapling's tree trunk when they measure it's growth. In her random sample of 200 volunteers, she found that 62% did. What is the SE? 0.3100 0.0012 0.0269 0.0343What is the P(t > -1.8) with a sample size of 10.Suppose X∼Bin(20,0.8).X∼Bin(20,0.8). What is the variance of XX? A. 15 B. 16 C. 5 D. 10 E. 3.2
- A test was given to a group of students. The grades and gender are summarized below If one student is chosen at random from those who took the test, find the probability that the student got a 'a 'C'' GIVEN they are male. Write your answer as a reduced fraction.P(C ∣ male) = ?The mean heignt Of male College Studen ts ina large city is 68 Inches and the Stander d deviotion IS 5 Inches. What heignt Would a male College Student must have lo order for the Students heignt to be the cutoff point for the 9sth percent1le ? (what is tne lowest heagnt n the top 5 %?)Compute the z score in the following scenario:Raw score = 28Mean = 20SD = 2The Z score is __________.
- find the value represented by z-score of 2.043, given u=63 and o=4.25The following data are given to you to find out whether the distribution is platykurtic: N- 100, Eα-15, Σα)= 97, Σα-33, Σα-253 and common factor (9) -3.The bottom panel of figure 1 (p. 311) shows the probability histogram for the total number of spots when a pair of dice are rolled. (a) The chance that the total number of spots will be between 7 and 10 (inclusive) equals the area under the histogram between ___and ___ (b) The chance that the total number of spots will be 7 equals the area under the histogram between ___ and ____