Express each of the numbers in Exercises 23–30 as the ratio of twointegers.23. 0.23=0.23 23 23. ..24. 0.234 = 0.234 234 234...25. 0.70.7777..= .26. 0.d = 0.dddd . . . ,where d is a digit27. 0.06= 0.06666 . . .28. 1.414 =1.414 414 414...29. 1.241231.24 123 123 123 . . .30. 3.1428573.142857 142857 . . .

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Answered: Express each of the numbers in…

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter13: Division Of Decimal Fractions

Section: Chapter Questions

Problem 8A: Divide the numbers in Exercises 7 through 9. Express the answers to the indicated number of decimal...

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Divide the numbers in Exercises 7 through 9. Express the answers to the indicated number of decimal places. 8.a. 12.450.05(2 places) b. 24.00160.32(3 places) c. 420.065(4 places) d. 2.0060.075(4 places)
You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R) seedling #: 1 2 3 4 5 ¯y s5 days: 30 20 38 49 32 33.8 10.6867 days: 35 27 46 58 34 40 12.145difference: -5 -7 -8 -9 -2 -6.2 2.77 (a) Is there a difference in length? (b) Repeat (a), but now use a regular (unpaired) t-test (c) What happened in (b)?
16. A machine produces bolts which are N(4, 0.09), where measurements are in mm. bolts are measured accurately and any which are smaller than 3.5 mm or bigger than 4.4 mm are rejected. Out of a batch of 500 bolts how many would be acceptable?
Trucks are required to pass through a weighing station so that they can be checked for weight violations. Trucks arrive at the station at the rate of 40 an hour between 7:00 p.m. and 9:00 p.m. Currently two inspectors are on duty during those hours, each of whom can inspect 25 trucks an hour.a. How many trucks would you expect to see at the weighing station, including those being inspected? b. If a truck was just arriving at the station, about how many minutes could the driver expect to be at the station? c. What is the probability that both inspectors would be busy at the same time? f. What is the maximum line length for a probability of 0.97?
Estimate a sample for a population of 5,000 inhabitants based on the following parameters: 1. Z^2 =99%, e^2 =.05 2. Z^2 =97%, e^2 =.05 3. Z^2 =97%, e^2 =.03 4. Z^2 =90%, e^2 =.05 solve it correctly please. I
A medical researcher says that less than 79% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 300 adults in that country, 75% think that healthy children should be required to be vaccinated. At α=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
When you open a bag of M&M's you expect to see 30% brown, 20% yellow, 20% red, 10% orange, 10% green and 10% blue. You look in your bag of 150 M&M;s and find the following results. Is there evidence to say your bag has differing results at α=.05α=.05? Brown 49 Yellow 40 Red 40 Orange 10 Green 5 Blue 6 The Pvalue is P = . (4decimals) There is to say the results vary.
(b) After receiving complaints from McDonald’s customers in Japan about the amount of french fries being served, the on-line news magazine ”Rocket News” decided to test the actual of the fries served at a particular Japanese McDonald’s restaurant. According to the Rocket News article, the official weight standard set by McDonald’s of Japan is for a medium sized fries to weigh 120 grams. The publication weighed the fries from 25 different medium fries they purchased and found the average weight of the fries in their sample to be 115 grams with variance of 100 grams. Research Question: Does the data suggest that the medium fries from this McDonald’s in Japan are underpacked? Use α =0.05. I computed TS correctly and it is Z = -2.5. Based upon the guidelines in 9.5, this TS leads to reject H0 . Now suppose I change α = 0.01, does the conclusion lead to accept H0 ?
During the morning of August 14, 2011, Old Faithful Geyser in Yellowstone National Park erupted at the following times (to the nearest minute): 12:07 a.m., 1:42 a.m., 3:05 a.m., 4:41 a.m., 6:07 a.m., 7:37 a.m., 9:08 a.m., and 10:34 a.m. What was the average interval between eruptions on this morning? _____ minutes
. A container of one dozen large eggs was purchased at a local grocery store. Each egg was measured to determine its diameter (in millimeters) and weight (in grams). The resultsfor the 12 eggs are given in the following table.Diameter(mm)42.2 45.5 47.8 47.4 47.7 43.5 44.4 43.9 46.2 45.9 44.3 44.5Weight(grams)52.8 58.5 60.2 59.0 57.4 54.1 53.8 54.5 56.2 55.8 54.3 56.1Find the following.a. SSxx, SSyy, and SSxyb. Standard deviation of errorsc. SST, SSE, and SSRd. Coefficient of determination5. Describe the mean, standard deviation, and shape of the sampling distribution of the slope b of the simple linear regression model.What does a linear correlation coefficient tell about the relationship between two variables? Within what range can a correlation coefficient assume a value?
One way to measure the water content of a soil is to weigh the soil both before and after drying it in an oven. The water content is W = (M1 − M2)/M1, where M1 is the mass before drying and M2 is the mass after drying. Assume that M1 = 1.32 ± 0.01 kg and M2 = 1.04 ±0.01 kg.a) Estimate W, and find the uncertainty in the estimate.b) Which would provide a greater reduction in the uncertainty in W: reducing the uncertainty in M1 to 0.005 kg or reducing the uncertainty in M2 to 0.005 kg?
what is the obtained value? numerical only rounded to 2 decimal places heres th evalues M1=8.81 s1^2= 67.62 n=20 M2= 8.79 S^2=69.60 N=20

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