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Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 35E

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find dp/dq.
Twins. There is some indication in medical litera-ture that doctors may have become more aggressive in inducing labor or doing preterm cesarean sections whena woman is carrying twins. Records at a large hospitalshow that, of the 43 sets of twins born in 1990, 20 weredelivered before the 37th week of pregnancy. In 2000, 26of 48 sets of twins were born preterm. Does this indicatean increase in the incidence of early births of twins? Testan appropriate hypothesis and state your conclusion.
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17. Sketch the following curve by using second derivative : 1) y= X y = 1+x² 2) y = -x(x-7)² (ans.: max.(1,0.5); min.(-1,-0.5)) (ans.: max.(7,0); min.(2.3,-50.8))
A manager wants to test whether employees with a Type A (workaholic) personality answer the telephone faster (with fewer rings) Type B (laid-back) personality. The manager only has a small sample of employees those Whitney U idy
B) Are males or females do a better job of detecting cheating? Justify your answer using conditions needed to justify your answer .
O Create a profession spx/homeworkid=631683855&questionid=9&flushed-false&cid=7078115&back=https://mylab.pearson.com/Student/DoHomework.aspx?homeworkid=631683855&back-DoAssignments.aspx Create a profession... Thoroughly proofre. My Videos - GoogleHERO10 Black 5.3K.. C All Video Cameras... tics with Applications, Fall 22, ITV, MW 3:35 Homework 10B K elp me solve this Tests-Jacob H x + Question 14, 10.B.59 OM Get more help. Oll Refer to the figure to the right. Find the area in acres of the property (enclosed by the right triangle) under the given assumptions. The stream frontage is 700 feet in length and the property line is 3100 feet in length. O > 20 acer O My Account motorcycle-Goog Jacob Hamilton re... Jacob Hamilton 09/07/22 5:30 PM HW Score: 63.69%, 8.92 of 14 points Points: 0 of 1 The lot has an area of about acre(s). (Round the final answer to the nearest hundredth as needed. Round all intermediate values to the nearest whole number as needed.) 4 Clear all D Coursera Job…
A new cold medication claims that, on average, individuals who take the medication recover within 5 days. Dr. Nelson believes the recovery time is longer. She surveys 31 people with colds who take the medication. She finds that their recovery time, in days, is as follows: 7, 5, 4, 8, 5, 5, 4, 4, 5, 5, 6, 4, 4, 5, 4, 7, 5, 7, 4, 6, 4, 3, 5, 7, 8, 4, 7, 4, 6, 4, 6 Perform a hypothesis test using a 9% level of significance. Step 1: State the null and alternative hypotheses. H.: pv >v (So we will be performing a right-tailed Vv test.) Step 2: Assuming the null hypothesis is true, determine the features of the distribution of point estimates using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are t-distributed v with distribution mean and distribution standard deviation Step 3: Find the p-value of the point estimate. P( 2v = P(tv 2v %3D p-value = Step 4: Make a Conclusion About the null hypothesis. Since the p-value = = a, we do not reject the…
Suppose that 6% of a particular population have a particularly nasty disease. There is a test for the disease that correctly identifies those with the disease 98% of the time. However, the same test gives a false positive 1% of the time. Suppose that a random person from this population is given the test as part of a wellness exam. Give answers in decimal form rounded to 4 decimal places as needed. A. Suppose that a random person comes in for a wellness exam and tests positive for the disease. What is the probability that she actually has the disease? B. Suppose that a person comes in for a wellness exam and tests negative. What is the probability that this person does not have the disease? C. What proportion of the total population will test positive? D. What proportion of the total population will not have the disease and will test negative?
Over the last Ten months, the following numbers of absences have been reported: 39, 12, 8, 12, 1, 31 , 22, 23, 12 and 39. What is the mode number of monthly absences?
11. An experiment is conducted to determine which shampo0: shampoo A or shampoo B works best to prevent dandruff. Sixtcen voluntecrs that are prone to dandruff labelcd as F20, F22, F22, F23, F46, F48, F48, F50, M21, M23, M24, M24, M45, M47, M47, M48, where Fstands for female, M stands for male and the number is the age of the volunteer will be used in the experiment. It is suggested that a block design, blocking by gender, be used. Why is a block design preferable to a completely randomized design for this experiment? We should usc a block design because it creates groups that are foughly the cquivalent at the beginning of the experiment. We should use a block design because we must keep all other variables the same except for the type of gender for the volunteers to prevent confounding. We should use a block design because it provides a baseline for comparing the differences in the dandruff between males and females. d. a. b. с. We should use a block design because it accounts for thc…
It is known that 9 out of 10 people are right handed. Would 47 right handed people out of group of 52 beconsidered significantly low, significantly high, or neither?