Scores on the SAT have an approximately normal distribution. THe mean SAT score is 1060 and...
Scores on the SAT have an approximately normal distribution. THe mean SAT score is 1060 and a standard deviation of 195. Would it be unusual for someone to score a 1250 on the SAT? Explain and show using probability.
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Scores on the SAT have an approximately normal distribution. THe
mean SAT score is 1060 and...
please show work. 2. Assume that SAT scores are normally distributed with meanu = 1060 and...
please show work.
2. Assume that SAT scores are normally distributed with meanu = 1060 and standard deviation o = 195. a. If one SAT score is selected at random, what is the probability that it is greater than 1500? b. If twenty SAT scores are selected at random, what is the probability that they have a mean greater than 1500?
SAT scores have approximately a normal distribution with mean equal to 550 and a standard deviation...
SAT scores have approximately a normal distribution with mean equal to 550 and a standard deviation equal to 90. a) draw a graph of this distribution b) find the median and the mode -I drew the a normal bell graph with the middle number being the mean (550) and then added and subtracted 90 from each number for 3 standard deviations. Would the median and mode just be 550 as well since this a normal distribution?
SAT scores are approximately normal with mean 560 and standard deviation 105. In a school, there...
SAT scores are approximately normal with mean 560 and standard deviation 105. In a school, there are 200 students. What is the probability the average score of 200 students will be at least 580?
Scores on the SAT mathematics section have a normal distribution with mean 4-500 and standard deviation...
Scores on the SAT mathematics section have a normal distribution with mean 4-500 and standard deviation o=100. a. What proportion of students score above a 550 on the SAT mathematics section? Round your answer to 4 decimal places. b. Suppose that you choose a simple random sample of 16 students who took the SAT mathematics section and find the sample mean x of their scores. Which of the following best describes what you would expect? The sample mean will be...
In recent years, SAT scores are approximately normal with a mean of 1100 and a SD...
In recent years, SAT scores are approximately normal with a mean of 1100 and a SD of 130, while ACT scores are also approximately normal with a mean of 22 and a SD of 6.5. Without any studying, you took both tests and scored 1250 on the SAT and 24 on the ACT.Did you do better on the SAT or the ACT? Make sure to find the percentile (what percent of the test takers scored lower than you?) of each...
The average SAT score in the US is 1060, and the standard deviation is 195. Assume...
The average SAT score in the US is 1060, and the standard deviation is 195. Assume that SAT scores are normally distributed. Source: https://nces.ed.gov/programs/digest/d17/tables/dt17 226.40.asp Find the SAT score that separates the bottom 90% of scores from the top 10%. Enter a whole number.
If the SAT scores of students in a high school follow the normal distribution with mean...
If the SAT scores of students in a high school follow the normal distribution with mean = 1200 and standard deviation = 100, what is the probability that a randomly selected student's score is between 1000 and 1400? OA 0.9973 B. 0.9545 OC. 0.9999 OD. 0.6827 Reset Selection
Use the normal distribution of SAT critical reading scores for which the mean is 510 and...
Use the normal distribution of SAT critical reading scores for which the mean is 510 and the standard deviation is 118. Assume the variable x is normally distributed (a) What percent of the SAT verbal scores are less than 600? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 575? (a) Approximately%of the SAT verbal scores are less than 600. (Round to two decimal places as needed.) (b) You would...
Use the normal distribution of SAT critical reading scores for which the mean is 514 and...
Use the normal distribution of SAT critical reading scores for which the mean is 514 and the standard deviation is 106. Assume the variable x is normally destributed. (a) What percent of the SAT verbal scores are less than 550? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 525? (a) Approximately% of the SAT verbal scores are less than 550 (Round to two decimal places as needed) SAT verbal...
SAT scores: Assume that in a given year the mean mathematics SAT score was 572, and...
SAT scores: Assume that in a given year the mean mathematics SAT score was 572, and the standard deviation was 127. A sample of 72 scores is chosen. Use the TI-84 Plus calculator. Part 1 of 5 (a) What is the probability that the sample mean score is less than 5677 Round the answer to at least four decimal places. The probability that the sample mean score is less than 567 is Part 2 of 5 (b) What is the...
please show work.
2. Assume that SAT scores are normally distributed with meanu = 1060 and standard deviation o = 195. a. If one SAT score is selected at random, what is the probability that it is greater than 1500? b. If twenty SAT scores are selected at random, what is the probability that they have a mean greater than 1500?
Scores on the SAT mathematics section have a normal distribution with mean 4-500 and standard deviation o=100. a. What proportion of students score above a 550 on the SAT mathematics section? Round your answer to 4 decimal places. b. Suppose that you choose a simple random sample of 16 students who took the SAT mathematics section and find the sample mean x of their scores. Which of the following best describes what you would expect? The sample mean will be...
The average SAT score in the US is 1060, and the standard deviation is 195. Assume that SAT scores are normally distributed. Source: https://nces.ed.gov/programs/digest/d17/tables/dt17 226.40.asp Find the SAT score that separates the bottom 90% of scores from the top 10%. Enter a whole number.
If the SAT scores of students in a high school follow the normal distribution with mean = 1200 and standard deviation = 100, what is the probability that a randomly selected student's score is between 1000 and 1400? OA 0.9973 B. 0.9545 OC. 0.9999 OD. 0.6827 Reset Selection
Use the normal distribution of SAT critical reading scores for which the mean is 510 and the standard deviation is 118. Assume the variable x is normally distributed (a) What percent of the SAT verbal scores are less than 600? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 575? (a) Approximately%of the SAT verbal scores are less than 600. (Round to two decimal places as needed.) (b) You would...
Use the normal distribution of SAT critical reading scores for which the mean is 514 and the standard deviation is 106. Assume the variable x is normally destributed. (a) What percent of the SAT verbal scores are less than 550? (b) If 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 525? (a) Approximately% of the SAT verbal scores are less than 550 (Round to two decimal places as needed) SAT verbal...
SAT scores: Assume that in a given year the mean mathematics SAT score was 572, and the standard deviation was 127. A sample of 72 scores is chosen. Use the TI-84 Plus calculator. Part 1 of 5 (a) What is the probability that the sample mean score is less than 5677 Round the answer to at least four decimal places. The probability that the sample mean score is less than 567 is Part 2 of 5 (b) What is the...
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