Ho : P0.41H :p<Compute the test statistic and p-value.0.41-3.68(to 2 decimals)z-value(to 4 decimals)p-value 0.0001c. Using a 0.05 level of significance, would you conclude that the proportion of business owners providing giftsdecreased?Do not rejectHo. We cannotconclude that the proportion of businessowners providing gifts has decreased from last year to this year.What is the smallest level of significance for which you could draw such a conclusion?0.1293(to 4 decimals) conducted this year indicates that 35% planned to provide a holiday gift to their employees. Suppose thesurvey results are based on a sample of 85 business owners.a. How many business owners in the survey planned to provide a holiday gift to their employees this year?Round your answer to the nearest whole number.30

We have given that Sample size n =85 Sample proportion p^=35%=0.35 Population proportion p=41%=0.41…

Answered: Ho :P 0.41 H :p< 0.41 Compute the test…

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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4. Sophia scored at the 10th percentile (P10) on exam 1. She claims that this means she outperformed 90% of the class. she correct? Explain.
Cuckoo birds are in the habit of laying their eggs in other birds' nest. The other birds adopt and hatch the eggs. The lengths (in cm) of cuckoo birds' eggs in the other species nests were measured and are in the table. Do the data show that the mean length of cuckoo bird's eggs is not all the same when put into different nests? Test at the 10% level. Lengths of Cuckoo Bird Eggs in Different Species Nests Number 23.77 23.88 24.09 Bird Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Tree Pipit Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Hedge Sparrow Robin Robin Wren Wren Wren Wren Wren Wren Wren Wren Wren Wren 22.84 22.21 21.18 23.62 23.5 22.02 23.11 23.71 23.8 Wren Wren 23.81 23.31 21.77 24.06 22.09 22.39 23.51 21.17 23.76 23.29 24.56 23.55…
Study the group of tests administered to a class where Mark belongs, then answer the questions that follows. Subject Mean Standard Deviation Mark's Raw Score Math 56 10 43 Physics 55 9.5 51 English 80 11.25 88 Physical Education 75 9.75 82 1. In which subject did Mark perform worst in relation to the group's mean performance? Explain. 2.In which subject did Mark perform best in relation to the group's mean performance? Explain. Instruction: For your answer, use max of 3 sentences per number
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Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1132 adults, 86% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)
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K People were polled on how many books they read the previous year Initial survey results indicate that s = 13.5 books. Complete parts (a) through (d) below. Click the icon to view a partial table of critical values. (a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 90% confidence? 1 This 90% confidence level requires 14 subjects. (Round up to the nearest subject.) (b) How many subjects are needed to estimate the mean number of books read the previous year within three books with 90% confidence? This 90% confidence level requires subjects. (Round up to the Partial Critical Value Table Level of Confidence, (1-x) 100% ● ... 90% 95% 99% Area in Each Tail, 0.05 0.025 0.005 a Critical Value, Zα/2 1.645 1.96 2.575 - X
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Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1135 adults, 86% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)
In this exercise involving paired differences, consider that it is reasonable to assume the populations being compared have approximately the same shape and that the distribution of paired differences is approximately symmetric. Percents of on-time arrivals for flights in 2006 and 2007 were collected for 11 randomly selected airports. Suppose data for these airports follow. Airport 1 2 3 4 5 6 7 8 9 10 11 Percent On-Time 2006 2007 71.78 68.23 78.98 78.71 78.59 76.67 77.67 75.29 70.39 79.91 74.55 68.69 65.88 79.40 75.78 73.45 78.68 75.38 71.98 62.84 76.49 72.42 Use a = 0.05 to test the hypothesis that there is no difference between the median percent of on-time arrivals for the two years. State the null and alternative hypotheses. O Ho: Median percent on-time in 2006 - Median percent on-time in 2007 = 0 H₂: Median percent on-time in 2006 - Median percent on-time in 2007 + 0 O Ho: Median percent on-time in 2006 - Median percent on-time in 2007 20 но H₂: Median percent on-time in 2006 -…
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Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1186 adults, 89% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)

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