KIn a recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and astandard deviation of 10.6. Answer parts (a)-(d) below.(a) Find the probability that a randomly selected medical student who took the test had a total score that was lessthan 493.The probability that a randomly selected medical student who took the test had a total score that was less than 493 is...(Round to four decimal places as needed.)(b) Find the probability that a randomly selected medical student who took the test had a total score that was between496 and 511.The probability that a randomly selected medical student who took the test had a total score that was between 496and 511 is.(Round to four decimal places as needed.)0000002Time Remaining: 02:49:20Next Kin a recent year, the total scores of a conta standard12.003(c) Find the probability that a randomly selected medical student who took the test had a total score that was morethan 523.The probability that a randomly selected medical student who took the test had a total score that was more than 523(Round to four decimal places as needed.)(d) Identify any unusual events. Explain your reasoning. Choose the correct answer below.))#A. None of the events are unusual because all the probabilities are greater than 0.05.OB. The event in part (c) is unusual because its probability is less than 0.05.OC. The events in parts (a) and (b) are unusual because their probabilities are less than 0.05.OD. The event in part (a) is unusual because its probability is less than 0.05.al places as out./5400000%5A687&822Time Remaining: 02:49:02ONext11Gdelete

Given Population mean, μ=500 Population standard deviation, σ=10.6

Answered: ↑ In a recent year, the total scores…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In Math 150 class the points of the final exam are normally distributedWith a mean of 72 and standard deviation of 10. The top 15% will receive an A gradeFind the lowest score in the final exam that would qualify a student for an A grade.
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1466 and the standard deviation was 315. The test scores of four students selected at random are 1890, 1210, 2200, and 1340. Find the z-scores that correspond to each value and determine whether any of the values are unusual. The Z-score for 1890 is. (Round to two decimal places as needed.).
na recent year, the total scores for a certain standardized test were normally distributed, with a mean of 500 and a standard deviation of 10.7. Answer parts (a)-(d) below. a) Find the probability that a randomly selected medical student who took the test had a total score that was less than 487. he probability that a randomly selected medical student who took the test had a total score that was less than 487 is. Round to four decimal places as needed.) b) Find the probability that a randomly selected medical student who took the test had a total score that was between 498 and 512. he probability that a randomly selected medical student who took the test had a total score that was between 498 and 512 is Round to four decimal places as needed.) c) Find the probability that a randomly selected medical student who took the test had a total score that was more than 527. The probability that a randomly selected medical student who took the test had a total score that was more than 527 is…
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1544 and the standard deviation was 314.The test scores of four students selected at random are 1940, 1290, 2250,and 1420.Find the z-scores that correspond to each value and determine whether any of the values are unusual. (Round to 2 decimal places as needed.)
The mean time taken by all participants to run a road race was found to be 110 minutes with a standard deviation of 15 minutes. Using Chebyshev's theorem, find the percentage of runners who ran this road race in 80 to 140 minutes. Round your answer to the nearest integer. of
Jeff is doing an experiment involving mice. The mice weights have mean weight 2.37 ounces and standard deviation 0.053 ounces. Jeff selects 9 mice independently and calculates the sample mean, x̄, of their weights. What is the standard deviation of x̄?
Jeff is doing an experiment involving mice. The mice weights have mean weight 3.74 ounces and standard deviation 0.026 ounces. Jeff selects 100 mice independently and calculates the sample mean, x̄, of their weights. What is the standard deviation of x̄?
Suppose the scores of students on a Statistics course are Normally distributed with a mean of 400 and a standard deviation of 42. What percentage of the students scored between 316 and 400 on the exam? (Give your answer to 3 significant figures.) percent.
2000 freshmen at state university took a biology test. the scores were normally distributed with a mean of 70 and a standard deviation of 5. Use z scores. (1) the percent of students that scored less than 77
= 19 inches. Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is u However, a survey reported that of a random sample of 51 fish caught, the mean length was x 18.6 inches, with estimated standard deviation s = 3.3 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than μ = 19 inches? Use a = 0.05. = (a) What is the level of significance? State the null and alternate hypotheses. O Ho: μ = 19 in; H₁: μ ‡ 19 in Ho: μ> 19 in; H₁: μ = 19 in O Ho: μ 19 in O Ho: μ = 19 in; H₁: μ 0.010 O 0.0010 < P-value < 0.010 O 0.250 < P-value < 0.0010 0.125 < P-value < 0.250 O P-value < 0.125 Sketch the sampling distribution and show the area corresponding to the P-value.
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