3.2735254293.7250582673.1938812873.3805957773.8490623122.6887886984.5215013662.8769264643.2028651713.7608628093.6487379673.1550421693.0477722952.3314913992.434266513.3162625763.335703913.1237843161.9830145644.0263818132.8198517353.0208351613.9639520453.4348125722.5301507643.5011242362.7238680733.7340187563.074854332.9454399852.9630462823.3012511363.8066372162.4956203312.990223622.5487983192.8495869883.5540396183.5650465843.3839447722.8958750033.960068133.7449783874.0348731513.3944844774.6370221613.0850000833.9457151432.5905405263.593019815Data from sheet 5 StartIn order for a candy company to claim that a bridge mix is mostly chocolate stars, a proportion of at least0.8 of the packages must contain 3 ounces or more of chocolate stars. Quality control tests a randomsample of 50 packages to determine if the proportion is less than 0.8 at a significance level of 0.05. UseSheet 5 of the Excel file to calculate p, the z-score, and the p-value.p= Ex: 1.234Z=P =Since the p-value is Pick ✓ than the significance level 0.05, the null hypothesis PickPick✓ evidence exists that the proportion of packages with 3 ounces or more of chocolate stars isless than 0.8.3

Given information: The sample size is; n=50, the population proportion; p0=0.8.

Answered: In order for a candy company to claim…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Student ID Math Score Project Score Age (years) Sex 001254 52 75 15 M 003256 78 89 15 F 001547 92 82 18 F 012589 91 66 17 M 021475 72 93 14 M 032658 46 76 13 M 009561 68 76 14 F 008654 52 82 12 F 008561 83 75 16 M 003547 45 78 14 F 047452 73 96 14 M 041212 64 79 13 F 032320 41 67 13 F 000258 77 72 15 F 001478 82 75 17 M 019521 59 83 15 M 017451 80 71 17 F 016335 48 76 13 M 002474 57 80 14 F 095844 97 71 18 F 097304 86 86 17 M 090024 75 85 15 F 034702 81 80 16 F 001910 67 74 14 F 006454 86 77 17 M 087478 63 82 13 M 078474 68 79 14 F 000977 54 89 12 M 063010 91 73 18 M 007406 46 77 15 F 025740 93 85 17 M…
In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before - after) in their levels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 17.5. Construct a 95% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol? Click here to view at distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. C What is the confidence interval estimate of the population mean µ? mg/dL <μ< mg/dL (Round to two decimal places as needed.) What does the confidence interval suggest about the effectiveness of the treatment? O A. The confidence interval limits do not contain 0, suggesting…
A researcher interested in determining if there is an association between head circumference and brain volume tested for linear correlation at the a= 0.05 significance level. She took a random sample of twenty adults and measured the head circumference and brain volume (using ultrasound) for each person in the sample. The table above gives the paired data for the twenty adults. The researcher determined there is positive linear correlation between head circumference and brain volume at the 0.05 level of significance. With that information answer the following questions. 1.) Since we've determined there is linear correlation between head circumference and brain volume from the output on the TI83/84 what is "a" the y-intercept of the regression line? A. a=.508 B. a=34.740 C. a=-110.572 D. a=-823.829 2. Since we've determined there is linear correlation between head circumference and brain volume from the output on the T183/84 what is "b" the slope of the regression? A. b=34.740 B. b=.508…
What is the confidence level of each of the following confidence intervals for u? Complete parts a through e. Click the icon to view the table of normal curve areas. a. x+1.96 % (Round to two decimal places as needed.) b. x+1.645 % (Round to two decimal places as needed.) c. X+2.575 % (Round to two decimal places as needed.) d. x+1.282 % (Round to two decimal places as needed.) e. x+0.99 % (Round to two decimal places as needed.)
To assess the effectiveness of a cola video ad for cola B, a random sample of 35 individuals from a target audience was selected to participate in a copy test. Participants viewed two ads, one of which was the ad being tested (cola B). Participants then answered a series of questions about how much they liked the ads. An adindex measure was created and shown in the accompanying table; the higher the adindex value, the more likeable the ad. State your findings and conclusions. Assume α = 0.05. ( H₁: HD <0 Determine the test statistic, tSTAT · tSTAT = (Round to two decimal places as needed.) Find the p-value for the test statistic. The p-value is. (Round to three decimal places as needed.) State your conclusion. Ho. There H₁: HD 0 ( ...) ▼ sufficient evidence to conclude that the mean adindex ratings are higher for cola B than for cola A.
5. The contour diagram for f(x, y) is shown on the next page. Determine the sign (positive, negative, or zero) for each of the following. (a) fx (1,1) (b) fy(1,1) (c) fxx (-1,0)
a. 1/12 .1/11 b.2/12 . 1/11 c. 1/12 . 1/12 d. 2/12 . 1/12
214.26 356.79 424.96 231.51 353.89 552.75 281.93 303.66 518.15 234.62 336.36 514.07 246.55 341.26 575.65 277.97 452.59 652.23 267.33 482.71 775.82 209.67 445.44 769.54 372.05 428.84 765.86 320.02 485.78 819.89. The table below contains the total cost ($) for four tickets to a basketball game purchased on the secondary market, two beers, two soft drinks, two hot dogs, and one parking space at each arena during a recent season. a. Organize these costs as an ordered array. b. Construct a frequency distribution and a percentage distribution for these costs. c. Around what values, if any, are at least 75% of the costs of attending the game concentrated? Explain. Question content area bottom Part 1 a. Organize these costs as an ordered array. enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your response here enter your…
1040 1040 1290 1035 1050 960 745 770 1400 1080 845 1130 1025 1090 830 1075 810 1045 1015 970 1135 1160 1595 1365 825 1405 1230 1485 1015 715 1035 825 1190 1175 950 1305 1335 1725 1515 895 810 1135 1580 1130 1340 655 960 1265 860 875 940 1535 930 1480 1280 1055 1405 1220 1090 1410 1115 1010 1135 1135 1050 1205 1100 1290 1345 1170 1225 925 1255 1650 1000 890 1200 980 1005 1525 1165 1335 1175 1755 1035 1125 920 1150 1300 955 1075 1195 1475 1085 990 1295 835 1065 1405 1075 9 Currently 200 students are taking E270. Suppose each student is assigned to take a random sample of 100 two-bedroom aprtments in Indianapolis Metropolitan Area (IMA) and each build a 95% confidence interval for the average monthly rent for two-bedroom apartments. How many of the 200 interval estimated submitted by students do you expect to capture the population mean monthly rent? a 195 b 190 c 185 d 95
Use the sample data and confidence level given below to complete parts (a) through (d). In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2444 subjects randomly selected from an online group involved with ears. 1139 surveys were returned. Construct a 95% confidence interval for the proportion of returned surveys. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval. (…)
Student ID Math Score Project Score Age (years) Sex 001254 52 75 15 M 003256 78 89 15 F 001547 92 82 18 F 012589 91 66 17 M 021475 72 93 14 M 032658 46 76 13 M 009561 68 76 14 F 008654 52 82 12 F 008561 83 75 16 M 003547 45 78 14 F 047452 73 96 14 M 041212 64 79 13 F 032320 41 67 13 F 000258 77 72 15 F 001478 82 75 17 M 019521 59 83 15 M 017451 80 71 17 F 016335 48 76 13 M 002474 57 80 14 F 095844 97 71 18 F 097304 86 86 17 M 090024 75 85 15 F 034702 81 80 16 F 001910 67 74 14 F 006454 86 77 17 M 087478 63 82 13 M 078474 68 79 14 F 000977 54 89 12 M 063010 91 73 18 M 007406 46 77 15 F 025740 93 85 17 M…

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