The number of Grade 11 learners per section in Kasiglahan Village Senior High School hasa mean of56.3 with a standard deviation of 8.6. If a sample size of 6 is taken at random from the population,which of the following statement is correct?O a. The mean of the sampling distribution of the sample mean is close to 56.3.O b. The mean of the sampling distribution of the sample mean is less than 56.3.O c. The mean of the sampling distribution of the sample mean is equal to 53.3.O d. The mean of the sampling distribution of the sample mean is greater than 56.3.

The population mean is 56.3. The population standard deviation is 8.6. We have to write which…

Answered: The number of Grade 11 learners per…

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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The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 120 and standard deviation of 26. Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. a. Around what percentage of adults in the USA have stage 2 high blood pressure? b. If you sampled 4500 people, how many would you expect to have BP> 160? Give your answer to the nearest person. people c. Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1?
The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70, what is the standard deviation of the sampling distribution?
It is generally believed that 49 percent of all college students complete their college careers. Suppose we wanted to study this claim further and took a sample of 584 students randomly from 2014-2018. Describe the sampling distribution model for the sample proportion by naming the distribution and stating its mean and standard deviation. Justify your answer by ensuring that you have checked the validity of the distribution. What is the probability that at least 310 students of the 584 complete their college career?
The annual commissions earned by sales representative of York Al technological machinery INC., follow the normal distribution with a mean of $128,000 and a standard deviation of $18800. The sales manager wants to award the sales representatives who earn the largest commissions a bonus of $28888. He can award a bonus to 18 percent of the sales representatives. What is the cutoff point between those who earn a bonus and those who do not?
The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 119 and standard deviation of 21 .Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.a. Around what percentage of adults in the USA have stage 2 high blood pressure?b. If you sampled 4500 people, how many would you expect to have BP> 160? Give your answer to the nearest person. peoplec. Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1?
Suppose the true proportion of voters in the county who support a new fire district is 0.35. Consider the sampling distribution for the proportion of supporters with sample size n = 145.What is the mean of this distribution? What is the standard deviation of this distribution?
The University of Montana admission standards require students to have an ACT score of at least 22. We know that Montana ACT scores are normally distributed with a mean of 20.1 and a standard deviation of 4. A: Students in Oregon have a mean ACT score of 21.1 with a standard deviation of 2.8. If we chose one student each at random from Oregon and from Montana, which student would be more likely to meet the ACT requirements of the University of Montana? Explain your answer using the appropriate statistics and a correctly labeled and shaded normal distribution. B: We know that the Montana ACT scores are normally distributed with a mean of 20.1 and a standard deviation of 4. Assume that the top 2% of individuals in the state are eligible for a state-funded scholarship. What score does an individual need on the ACT to be eligible? Explain your answer using the appropriate statistics and a correctly labeled and shaded normal distribution
Answer the following and please include the nCr.
The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122 and standard deviation of 24 . Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. a. Around what percentage of adults in the USA have stage 2 high blood pressure? b. If you sampled 1000 people, how many would you expect to have BP> 160? Give your answer to the nearest person. people c. Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1?
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Suppose the true proportion of voters in the county who support a new fire district is 0.62. Consider the sampling distribution for the proportion of supporters with sample size n = 117.What is the mean of this distribution? What is the standard deviation of this distribution?

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