Calculate the probability for the most probable macrostate for eight molecules that are in an insulated box divided equally into half.

A developmental psychologist experiment to determine if exposure to an enriched environment shortly after birth will cause increased brain development.  Twenty, two-month-old rats are randomly selected from a pool of one thousand two-month-old rat pups.  Ten of the twenty pups are exposed to an enriched environment for three weeks and the other ten to the usual environment for the same period of time.  At a suitable time after the exposure, the psychologist measures the number of neurons per cm3 in each rat's brain.  A comparison is then made of the mean number of neurons per cm3 for each group.a. What is the population?b. What is the independent variable?c. What is the sample?d. What is the statistics?e. What is the dependent variable?

.ll T-Mobile LTE 1 7:58 PM •n 94% Done 17 of 17 FOU I FOU I 6 FCU EU I AI FOU I O MI FOU I O OI 6I FOU I OI ai FOUI A O: UX IMI student.desmos.com/activitybuilder/student/608915c708264d0cbdd7913t#screenld=44ab60d5-58b1-418a-8523-26aa3713bf56 * Sign in P View Portrait Pro.. 6 Nursing: Tradition. O Employment Center + Login Session Expiration. b Selling Associate-. OrCourse Connec. Clara Destiny sho.. 7 of 12 4, Lesson 15: Questioning Experimenting my Olbegbu Using Tables for Normal Distribution Areas Use the two areas to find the area under the normal curve between 142 and 149 grams. Explain or show your reasoning. T. Submit and Explain 0.14 0.12 0.10 0.08 0.06 0.04 0.02 140 142 144 146 148 150 baseball weight (grams) F7 FO F10 TW F3 23 24 & 1 2 3 4 6 7 Q R Y U P S F H J K > > C V B N H command command option .. .- N

A study of fox rabies in southern Germany gave the following information about different regions and the occurrence of rabies in each region. A random sample of n1 = 16 locations in region 1 gave the following information about the number of cases of fox rabies near that location. x1:   Region I Data 2 7 7 7 7 8 8 1 3 3 3 2 5 1 4 6 A second random sample of n2 = 15 locations in region II gave the following information about the number of cases of fox rabies near that location. x2:   Region II Data 1 3 4 3 3 8 5 4 4 4 2 2 5 6 9 (a) Does this information indicate that there is a difference (either way) in the mean number of cases of fox rabies between the two regions? Use a 5% level of significance. (Assume the distribution of rabies cases in both regions is mound-shaped and approximately normal.) (i) What is the level of significance?State the null and alternate hypotheses. H0: μ1 ≠ μ2; H1: μ1 = μ2H0: μ1 = μ2; H1: μ1 ≠ μ2      H0: μ1 > μ2; H1: μ1 = μ2   H0: μ1 = μ2;…

A certain county had a population of 34,485 people. The county hospital is interested in estimating the number of people in the county with blood type-O. To do this, they test blood samples from 228 patients. Out of this group, 10 have blood type-O. Use this sample to estimate the number of people in the county with blood type-O.

A random selection of volunteers at a research institute have been exposed to a typical cold virus. After they started to have cold symptoms, 10 of them were given multivitamin tablets formulated to fight cold symptoms. The remaining 10 volunteers were given placebo tablets. For each individual, the length of time taken to recover from the cold is recorded. At the end of the experiment the following data are obtained. Days to recover from a cold Treated with multivitamin 2.6, 5.9, 5.3, 5.8, 8.7, 6.2, 7.6, 6.4, 8.0, 4.0 Treated with placebo 3.0, 5.1, 4.7, 4.2, 4.7, 5.6, 5.9, 4.7, 7.1, 4.9 It is known that the population standard deviation of recovery time from a cold is 1.8 days when treated with multivitamin tablets, and the population standard deviation of recovery time from a cold is 1.5 days when treated with placebo tablets. It is also known that both populations are approximately normally distributed. The researchers claim that the mean recovery time, l, of the patients treated…

The null hypothesis: H. :|| The alternative hypothesis: H :0 1 The type of test statistic: (Choose one) v The value of the test statistic: (Round to at least three decimal places.) The p-value: (Round to at least three decimal places.) Can we reject the researchers' claim that the mean recovery time when treated with multivitamin is less than or equal to the mean recovery time when treated with vitamin C only? Yes No

.ll T-Mobile LTE 10:30 PM 1 85% Done 2 of 3 M O FDU O a O FDU FOU FOU O udent.desmos.com/activitybuilder/student/607e171508264d0cbdf6f178#screenldx=5 XM XM w w w FOU FOU se Connec. Clara Destiny sho. O Employment Center + Login Session Expiration. b Selling Associate-. A Sign in P View Portralt Pro. sson 9: Variability in Samples O Nursing Variability of Sample Estimates Estimates for population characteristics are usually given along with a margin of error. The margin of error is the maximum expected difference between the estimate of the population characteristic and the actual population characteristic. Each of the sample proportions are good estimates of the population proportion, so we should give a margin of error that contains about 95% of the sample proportions to be reasonably sure that the actual population proportion is in the range between the mean minus the margin of error to the mean plus the margin of error. What margin of error should be given along with the estimate of…

2. Two suppliers manufacture a plastic gear used in a laser printer. The impact of these gears measured in foot-pounds is an important characteristic. Assume the impact strength from both suppliers are independent of each other and normally distributed. A random sample of 10 gears from supplier 1 results in T1 = 289.3 and s = (35.5)². Another sample of 16 gears from supplier 2 results in 2 321.5 and s = (21.1)². Supplier 2 claims to provide gears with higher mean impact strength than supplier 1. (a) from two suppliers have the same impact strength variance. Use a F test with a = 0.1 to determine whether the plastic gears (b) Determine whether the claim of supplier 2 is correct. Use a = 0.05.

A study was carried out to compare the writing lifetimes of four premium brands of pens (factor A). It was thought that the writing surface (factor B) might affect lifetime, so three different surfaces were randomly selected. A writing machine was used to ensure that conditions were otherwise homogeneous (e.g., constant pressure and a fixed angle). The accompanying table shows the two lifetimes (min) obtained for each brand-surface combination. A B Brand of Pen AB Error Total 1 2 3 4 = 1 Writing Surface 707, 659 668, 685 659, 685 698, 650 5411 SS 2 713, 726 722, 740 668, 684 704, 666 5623 The hypotheses are as follows. 2=0 HOG: G² HaG: G² > 0 HOA: α₁ = α₂ = α3 = 4 = 0 HOB: 0B² = 0 HaA: at least one a, # 0 2 HaB: >0 Carry out an appropriate ANOVA. (Use a = 0.05. Round your answers to two decimal places.) Source df f 3 660, 645 692, 720 678, 750 688, 733 5566 MS XI.. 4110 4227 4124 4139 16,600 Test for an interaction. Find the critical value. (Round your answer to two decimal places.)…