Suppose an experimental population of amoeba increases according to the law ofexponential growth. There were 100 amoeba after the second day of the experimentand 300 amoeba after the fourth day. Approximately how many amoeba were in theoriginal sample?5337110Not enough information to determine

Answered: Image /qna-images/answer/5981b77b-b45d-46fc-bdd9-2f5271d9fe58.jpg

Answered: Suppose an experimental population of…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Question 3: Statistical Inference 15. The mean service time at the McDonalds in Kennedy Town is 3 minutes. Assume the service time follows an exponential distribution. The standard deviation of the population is 3 minutes. You observe service times for a random sample of 49 customers at the McDonalds. What is the probability that the sample mean is more than 4 minutes? 16. A procurement manager at Best Buy wants to find out the population mean monthly sales of 4K TV at stores in the Midwest. Best Buy's current inventory policy is set under the assumption that 25 4K TVs are sold in a month on average. A sample of 49 stores was selected, and it was found that the sample mean is 19 with a sample standard deviation of 7. Does the sample data suggest that Best Buy needs to revise its inventory policy? Test at the a = .05 significance level.
Question 5 of 30 Step 1 of 1 01:29:12 A tin of nuts contains 33 cashews, 11 pecans, 38 peanuts, and 17 pistachios. Find the probability of reaching in and selecting a pecan and then a cashew. Assume the nuts are chosen without replacement. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
QUESTION 11 According to a 2001 Reader's Digest article, 26% of physicians over the age of 55 have been sued at least once. Suppose you wanted to see if this holds true today, so you randomly selected 50 physicians over the age of 55 and 30% indicated they had been sued at least once. Based on your conclude the proportion of all physicians over the age of 55 that have been sued at least once is now higher at a.17 For the hypothesis stated above, what is the Pvalue? O a. 0.7389 O b.0.2611 OC. None of the answers is correct Od. 0.2483 Oe. 0.7517 QUESTION 12 Population Standard Deviation 0.7000 Sample Size 12 Samnle Mean 6.7333 Click Save and Submit to save and submit, Click Save All Answers to save all answers. MacBook Air D00 F4 F5 F3 & 4 Y E R Q F G H A S D © 2N
QUESTION 1 Between which values of Z is the middle 40% of the area included -25 to .25 -.52 to .52 -.84 to .84 O to 1.28
Question 1 and 2
Question 8 of 15 The Centers for Disease Control and Prevention (CDC) Agricultural deaths Cumulative frequency collect data on workplace safety. In 2012, the CDC reported deaths related to agricultural production in the United States. The accompanying table shows the causes Machinery 26 Motor Vehicles 47 Drowning 65 of agricultural deaths in people under 20 years of age and their reported cumulative frequency. Other 111 Select the statements that accurately complete the following sentence. The cumulative frequency table shows that O there were 111 agricultural deaths in people under 20 years of age that were due to accidents other than machinery, motor vehicles, or drowning in the United States in 2012. O together, machinery or motor vehicle accidents contributed to 47 agricultural deaths in people under 20 years of age in the United States in 2012. O accidents involving machinery contributed to 26 agricultural deaths in people under 20 years of age in the United States in 2012. O…
According to the American Red Cross, out of every 100 people in the United States, blood types and Rh factors occur at the rates shown in the tabl Blood Type O+ O- A+ А- В+ В- AB+ AB- Occurrence 36 7 34 6 11 2 3 1 (a) Of all people in the United States who have type B blood, what percent are Rh positive? (Round the answer to one decimal place.) 84 % (b) Of all people in the United States who have type B blood, what percent are Rh negative? (Round the answer to one decimal place.) 16 X %
question 37 You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 99% confident that you estimate is within 2% of the true population proportion. How large of a sample size is required? Do not round mid-calculation.n =
31-
QUESTION 4 The probability that a randomly selected female aged 60 years old will survive the year is 0.992 according to the National Vital Statistics Report, Vol. 47, No. 28. What is the probability that four randomly selected 60 year old females will survive the year? Write your answer as a decimal rounded to four decimal places
Question 4 You are conducting a study to see if the probability of catching the flu this year is significantly different from 46%. With H:p 46% you obtain a test statistic ofz = 1.307. Find the p-value accurate to 4 decimal places, p-value =

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