* 2 نقطة واحدة 20 2. Under H., the likelihood function is given by L(4, af) = A. True B. False
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- ring 2019:Research D x Microsoft Word-PSYC320 Exam x mazonaws.com/5afo5a7aa8cfe/14945997response-content-disposition=inline%3E 12/12 50. For a variable that is normally distributed with a mean of 50 and a standard deviation of (If you get this correct, I'll give 5, approximately of the scores are between you an extra 2 points) A) 95%; 45 and 55 B) 9590; 40 and 60 C) 68%; 40 and 60 D) 9500:35 and 65 E) 99%; 40 and 60please slove only part BSAT scores in one state is normally distributed with a mean of 1526 and a standard deviation of 112. Suppose we randomly pick 46 SAT scores from that state.a) Find the probability that one of the scores in the sample is less than 1529.P(X<1529)P(X<1529) = b) Find the probability that the average of the scores for the sample of 46 scores is less than 1529.P(¯¯¯X<1529)P(X¯<1529) =
- STAYS THE SAME, INCREASES OR DECREASES PICK 1 OPTION FOR ALL BLANKS.The mean incubation time of fertilized chicken eggs kept at 100.5 degrees F in a still-air incubator is 21 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 1 day. Find an interpret the probability that a a sample of 12 selected fertilized chicken egg hatches in less than 20 days. Edit View Insert Format Tools Table BI U 2. 12pt v Paragraph v B ISAT scores in one state is normally distributed with a mean of 1532 and a standard deviation of 200. Suppose we randomly pick 50 SAT scores from that state. a) Find the probability that one of the scores in the sample is less than 1492. P(X < 1492) = b) Find the probability that the average of the scores for the sample of 50 scores is less than 1492. P(X < 1492) =
- SAT scores in one state is normally distributed with a mean of 1481 and a standard deviation of 88. Suppose we randomly pick 49 SAT scores from that state. a) Find the probability that one of the scores in the sample is less than 1457. P(X<1457)P(X<1457) = b) Find the probability that the average of the scores for the sample of 49 scores is less than 1457. P(¯¯¯X<1457)P(X¯<1457) =The random variable x has a normal distribution with mean 50 and variance 9. Find the value of x, call it x0, such that: a) P(x ≤ xo) = 0.8413 b) P(x > xo) = 0.025 c) P(x > xo) = 0.95 d) P(41 ≤ x ≤ xo) = 0.8630Q6. In the following diagram: Họ: µ = 4 ; H1: µ= 1. f(X) Ho Xp Rejection region Non-rejection region Examine the probabilities represented by the regions, a,b and c. Identify the incorrect statement: A. a = Pr(Type I error 'AND’ Not-Type II error). B. a +b = Pr(Type I error). С.с 3D Pr(Туpe Il error). D. a + b + c = Pr(Type I error 'OR’ Type II error) %3D A. A В. В С. С O D. D
- Scores for a common standardized college aptitude test are normally distributed with a mean of 510 and a standard deviation of 105. Randomly selected men are given a Prepartion Course before taking this test. Assume, for sake of argument, that the Preparation Course has no effect on people's test scores.If 1 of the men is randomly selected, find the probability that his score is at least 580.P(X > 580) = Enter your answer as a number accurate to 4 decimal places.If 9 of the men are randomly selected, find the probability that their mean score is at least 580.P(x-bar > 580) = Enter your answer as a number accurate to 4 decimal places. A fitness company is building a 20-story high-rise. Architects building the high-rise know that women working for the company have weights that are normally distributed with a mean of 143 lb and a standard deviation of 29 lb, and men working for the company have weights that are normally distributed with a mean of 178 lb and a standard deviation or…Q8 and Q9 pleaseQ3) The table below show the number of hours(x) 20 students spent studying spansh in the month before an examination and their percentage score(y). A) Determine SEE If you have the model y = 0.5x +49 B)Find the fit line ( Regrsion line) for these points Hours of study (x) Exam mark%(y) 22 70 21 13 33 25 32 40 15 26 27 18 19 10 21 44 46 17 28 19 20 62 90 58 78 80 66 56 62 68 50 74 76 57 69 58 64 dakhee
