The monthly cost of a certain texting plan is given by the function C(n)=0.05n+10.95 where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(60) 8 GW section 79 GW 7.6 | Schoc xO Algebra Calcul xS Why Not Us? S X G Tow to findsto-xO SchoologyNewA schoology.dpsk12.org/common-assessment-delivery/start/4573063315?action=Donresume&submissionid-357112261Lincoln BookmarksO New TabO Join a Presentation.na A'Forgotten Histor..S Class Matters Ch 3Chapter 8 ClassworG ivProvide an appropri ate response.4) The monthly cost of a certain texting plan is given by the function C(n) = 0.05n + 10.95,whe re C(n) is in dollars and nis the number of texts sent ina month. Find and interpret C60)Monthly Cost of Texting Plan2824201612-4.20 40 60 80 100 120 140 160 180 200Texts Sent in a MonthC(60) =Interpretation:

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Description: The monthly cost of a certain texting plan is given by the function C(n)=0.05n+10.95 where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(60) 8 GW section 79 GW 7.6 | Schoc xO Algebra Calcul xS Why Not Us? S X G

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The monthly cost of a certain texting plan is given by the function C(n)=0.05n+10.95 where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(60)

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.4: Applications

Problem 2EQ: 2. Suppose that in Example 2.27, 400 units of food A, 500 units of B, and 600 units of C are placed...

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2. Suppose that in Example 2.27, 400 units of food A, 500 units of B, and 600 units of C are placed in the test tube each day and the data on daily food consumption by the bacteria (in units per day) are as shown in Table 2.7. How many bacteria of each strain can coexist in the test tube and consume all of the food? Table 2.7 Bacteria Strain I Bacteria Strain II Bacteria Strain III Food A 1 2 0 Food B 2 1 3 Food C 1 1 1
9. A research center claims that 24% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 700 adults in that country, 28% say that they would travel into space on a commercial flight if they could afford it. At α=0.05, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not enter your response here %. B. No more than enter your response here % of adults in the country would travel into space on a commercial flight if they could afford it. C. At least…
4) Here are data on the lengths of male and female roaches (in mm). Your job is to find out if there is adifference between male and female roaches (this should be two sided - why?).males 15.4 13.9 12.7 9.6 6.6 10.7 9.9 13.3 16.2 9.0 11.4 16.6 12.2females 16.7 16.3 12.8 16.9 15.1 12.8 18.7 18.3 8.6 13.6 15.3 16.2 13.4It's up to you to figure out what the best procedure is, what kind of hypotheses to use, which α to use,what test to use, and so on. Make sure you follow all the appropriate steps. You should probably use Ras you’ll get done much quicker. Remember to very clearly state your results in writing. Never turn in just an R printout .Hint: how do you decide which test to use? What kind of distributions do the data have?
1. A manufacturing company produces part 2205 for the aerospace industry. This particular part can be manufactured using 3 different production processes. The management wants to know if the quality of the units of part 2205 is the same for all three processes. The producion supervisor obtained the following data: The Process 1 had 29 defective units in 240 items; Process 2 produced 12 defective units in 180 items and Process 3 manufactured 9 defective units in 150 items. Chi-square Contingency Table Test for Independence Col 1 Col 2 Col 3 Total Row 1 Observed 29 12 9 50 Expected 21.05 15.79 13.16 50.00 (O - E)² / E 3.00 0.91 1.31 5.22 Row 2 Observed 211 168 141 520…
(Please answer 2nd question ) 1. Assume that there are two types of driver: One is careful and has a 0.1% of being in an accident. The other type is careless and has a 1% chance of being in an accident. Assume that each type represents 50% of the population. If there is a law mandating that all drivers buy insurance that would cover $100,000 in damages, the actuarially far premium for all drivers would be ________ while if there were no such law, the fair premium would be __________. Group of answer choices A) $100, $1,000 B) $100, somewhere between $100 and $1,000 C) $550, somewhere between $550 and $1,000 D) $550, 1,000 Ans :- option c ). 2. The term(s) used to describe the problem(s) that make the actuarially fair premiums different in the two cases in the question above is(are) Group of answer choices A) Asymmetric information B) Moral hazard C) Adverse selection D) A, B, and C E) A and C
5. A medical researcher says that less than 84% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 200 adults in that country, 81% think that healthy children should be required to be vaccinated. At α=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. enter your response here % of adults in the country think that healthy children should be required to be vaccinated. B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not enter your response here %. C. Less than 84 84% of adults in the country think that…
5. A medical researcher says that less than 84% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 200 adults in that country, 81% think that healthy children should be required to be vaccinated. At α=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. enter your response here % of adults in the country think that healthy children should be required to be vaccinated. B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not enter your response here %. C. Less than 84 84% of adults in the country think that…
A dietitian wants to test if on the average a person’s cholesterol level will be lowered if their diet is supplemented with a certain mineral. Six subjects have their cholesterol level tested before taking this mineral and again after taking this mineral for a 3 months. The measured cholesterol levels are listed in the table below: Level Before Mineral 210 235 208 190 172 244 Level After Mineral 190 170 210 188 173 228 When doing a Hypothesis Test to test this dietitian's claim the Degree of Freedom used and the computed P-value are A.) Degree of Freedom = 10 and P-value = 0.1349 B.) Degree of Freedom = 9.6562 and P-value = 0.1354 C.) Degree of Freedom = 5 and P-Value = 0.1688 D.) Degree of Freedom = 5 and P-value = 0.0844
6. A research center claims that at least 30% of adults in a certain country think that their taxes will be audited. In a random sample of 1200 adults in that country in a recent year, 26% say they are concerned that their taxes will be audited. At α=0.10, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. enter your response here % of adults in the country think that their taxes will be audited. B. The percentage of adults in the country who think that their taxes will be audited is not enter your response here %. C. At least 30 30% of adults in the country think that their taxes will be audited. Your answer is correct. D. Less than…
A manager wants to see if geographical region (Cape Town, Durban and Gauteng) is related with ownership of a tablet (“Have a tablet” and “No tablet”). Define the null hypothesis and the alternative hypothesis. A. H1: Geographical region and ownership of a tablet are independent vs H0: No relationship exists between Geographical region and ownership of a tablet B. H0: Geographical region and ownership of a tablet are independent vs H1: A relationship exists between Geographical region and ownership of a tablet C. H1: Geographical region and ownership of a tablet are independent vs H0: Geographical region is dependent on ownership of a tablet D. H0: A relationship exists between Geographical region and ownership of a tablet vs H1: No relationship exists between Geographical region and ownership of a tablet