104-SECO1 SP22] Writing xE Econ essay #4 - Google Docsw HW6.2 -CH4.6 and 5.4w NWP Assessment Player UI Appli xGAccording to a survey conductecXa education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=afea6dd8-00e7-414f-bacd-dafdfbdb316e#/question/6HW6.2-CH4.6 and 5.4Math Fill in the BQuestion 7 of 10>-/3 EQuestion 2Math Fill in the BlaView PoliciesCurrent Attempt in ProgressQuestion 3Math Fill in the BlamAccording to a survey conducted at the local DMV, 47% of drivers who drive to work stated that they regularly exceed the postedspeed limit on their way to work. Suppose that this result is true for the population of drivers who drive to work. A random sample of15 drivers who drive to work is selected. Use the binomial probabilities table (Table I of Appendix B) or technology to find to 3 decimalplaces the probability that the number of drivers in this sample of 15 who regularly exceed the posted speed limit on their way to workisQuestion 4Math Fill in the Blanka. at most 6Question 5DropdownProbability =Question 6Math Fill in the Blankb. 7 to 9Probability =Viewing QuestionMath Fill in the BlankC. at least 7Probability =Question 8Math Fill in the BlankAssistance UsedeTextbook and MediaAttempts: 0 of 5 used Submit AnswerQuestion 9Save for LaterMath Fill in the BlankQuestion 10Math Fill in the Blank(?)21°FP Type here to search4+&3.4.68.WS D

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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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Scores obtained by students in three sections of the Medical College AdmissionTest (MCAT) are independently normally distributed with means 10, 12, and 10and standard deviations 2.6, 1.2, and 1.3, respectively. Determine the probabilitydistribution of the total scores obtained by these students. NOTE: Please explain each part, so the problem can be used as a Study Guide
part 3 4 The number of clients arriving at a bank machine is Poisson distributed with an average of 2 per minute. For a 5-minute period, Find the expected value and standard deviation. What is the probability that 2 customers will arrive in a 5-minute period? What is the probability that no more than 2 customers will arrive in a 5-minute period? What are the underlying assumptions that allow us to consider this phenomenon as a Poisson distribution?
Last year, a person wrote 118 checks. Let the random variable x represent the number of checks he wrote in one day, and assume that it has a Poisson distribution. What is the mean number of checks written per day? What is the standard deviation? What is the variance?
Does playing Mozart for unborn babies result in having children with higher IQs? A psychologist obtains a random sample of 30 mothers in the first trimester of their pregnancy. The mothers are asked to play Mozart in the house at least 45 minutes each day until they give birth. We know that IQs are normally distributed with a mean of 100. A few years after their births the children were given an IQ test and the IQs of the 30 children in the study resulted in a sample mean of 104.2. Assume the population standard deviation for IQ of children is 15. Is there evidence that the children who listen to Mozart for at least 45 minutes each day during pregnancy have higher IQs at the 0.05 level of significance? Use the p-value approach. a. Define the parameter we are testing and setup a hypothesis test to see if the mean IQ of children who listened to Mozart at least 45 minutes a day during pregnancy is higher than the national mean of 100: b. Calculate the test statistics for this…
The personality variable extraversion is normally distributed in the population and has a mean of 10 and a standard deviation of 2. Researchers consider individuals who are 1 standard deviation above the mean “highly” extroverted. What is the probability that you can randomly sample 3 people from the population and all 3 would be “highly” extroverted?
It has been reported that 5% of all cars on the highway are traveling at speeds in excess of 70mph. If the speeds of four random auromobiles are measured via radar what is the probability that at least one car is going over 70 mph
Question 4 a) For a large group of sale prospects, it has been observed that 22 percent of those contacted personally by a sales representative will make a purchase. If a sales representative contacts 35 prospects: i) Determine the probability that 10 or more will make a purchase (include also correction of continuity). ii) Determine the probability that not more than 3 will make a purchase (include also correction of continuity). iii) In what condition does binomial distribution approximate to normal distribution?
A researcher selects a sample from a population with a mean of 50 and administers a treatment to the individuals in the sample. If the treatment is expected to decrease scores, what is the correct statement for the alternative hypothesis for a one tailed test
Question 4 a) For a large group of sale prospects, it has been observed that 22 percent of those contacted personally by a sales representative will make a purchase. If a sales representative contacts 35 prospects: i) Determine the probability that 10 or more will make a purchase (include also correction of continuity). ii) Determine the probability that not more than 3 will make a purchase (include also correction of continuity). iii) In what condition does binomial distribution approximate to normal distribution?
A pharmaceutical company receives large shipments of ibuprofen tablets and uses this acceptance sampling plan: randomly select and test 22 tablets, then accept the whole batch if there is at most one that doesn't meet the required specifications. If a particular shipment of thousands of ibuprofen tablets actually has a 6% rate of defects, what is the probability that this whole shipment will be accepted?Binomial Calculator(Report answer as a decimal value accurate to four decimal places.)P(accept shipment) =
Does playing Mozart for unborn babies result in having children with higher IQs? A psychologist obtains a random sample of 30 mothers in the first trimester of their pregnancy. The mothers are asked to play Mozart in the house at least 45 minutes each day until they give birth. We know that IQs are normally distributed with a mean of 100. A few years after their births the children were given an IQ test and the IQs of the 30 children in the study resulted in a sample mean of 104.2. Assume the population standard deviation for IQ of children is 15. Is there evidence that the children who listen to Mozart for at least 45 minutes each day during pregnancy have higher IQs at the 0.05 level of significance? Use the p-value approach. Select the correct conclusion for this test: We fail to reject the null hypothesis because the p-value is less than the level of significance. We fail to reject the null hypothesis because the p-value is greater than the level of significance. We…
Example 24 : In eight throws of a die 5 or 6 is considered a success. Find the mean number of success and the standard deviation.

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