![Two samples are taken with the following sample means, sizes, and standard deviations 1 = 30 +2 =23 n] = 72 n2 = 74 81 = 4 82](http://img.homeworklib.com/questions/418dc1a0-b8d6-11ec-8244-7f04625f9cab.png?x-oss-process=image/resize,w_560)
Homework Answers
question 1
Confidence interval(in %) = 99.8
z @ 99.8% = 3.0902
Since we know that
Required confidence interval = (-0.35 
0.34)
Required confidence interval = (-0.69, -0.01)
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Two samples are taken with the following sample means, sizes, and standard deviations I1 = 24 D9 = 25 n = 72 m2 = 59 81 = 3 89 = 2 Estimate the difference in population means using a 94% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. 11-12 Box 1: Enter your answer as an integer or decimal number. Examples: 3,-4,5.5172 Enter DNE for Does Not Exist, oo for...
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I will rate your answer- thank you Two samples are taken with the following sample means,...
I will rate your answer- thank you
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Two samples are taken with the following sample means, sizes, and standard deviations I1 = 24 D9 = 25 n = 72 m2 = 59 81 = 3 89 = 2 Estimate the difference in population means using a 94% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. 11-12 Box 1: Enter your answer as an integer or decimal number. Examples: 3,-4,5.5172 Enter DNE for Does Not Exist, oo for...
A set of exam scores is normally distributed with a mean = 82 and standard deviation- 5 Use the Empirical Rule to complete the following sentences. 68% of the scores are between and 95% of the scores are between and 99.7% of the scores are between and Get help: Video Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as...
Two samples are taken with the following numbers of successes and sample sizes t1 = 32 r2 = 24 n1 = 60 n2 = 99 Find a 99% confidence interval, round answers to the nearest thousandth. <P1 - P2 Box 1: Enter your answer as an integer or decimal number. Examples: 3,-4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as an integer or decimal number. Examples: 3, 4, 5.5172 Enter DNE for...
I will rate your answer- thank you
Two samples are taken with the following sample means, sizes, and standard deviations 21 = 22 +2 = 31 ni = 55 n2 = 68 81 = 2 82 = 4 Estimate the difference in population means using a 88% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. <H1 - H2< Box 1: Enter your answer as an integer or decimal number. Examples:...
Jenna categorized her spending for this month into four categories: Rent, Food, Fun, and Other. The percents she spent in each category are pictured here FoodRent 22% | 26% Fun 34% 5% Other If Jenna spent a total of $2400 this month, how much did she spend on Food? The data in the figure below represents the number of stars earned by 140 performers in a talent competition. 35 30 25 5 o 15 2 10 5 Number of Stars...
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rtey sCalendar Gradebook er 2019 Assessment nt 8.1 & 8.2 Due Thu 07/11/2019 11:00 pm Show Intro/Instructions In a survey, 31 people were asked how much they spent on their child's last birthday gift. The results were roughly bell- shaped with a mean of $46 and standard deviation of $9. Construct a confidence interval at a 99% confidence level. Give your answers to one decimal place Interpret your confidence interval in the context of this problem. Box 1: Enter your...
Consider the density curve plotted below 014 sion Find P(X S 24) Find P(X >26): Calculate the following Q1: median: Q3: IQR: Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as an integer or decimal number. Examples: 3.-4, 55172 Enter ONE for Does Not Exist, oo for Infinity DOL
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