←In a random sample of males, it was found that 18 write with their left hands and 212 do not. In a random sample of females, it was found that 66 write with their left hands and 440 do not. Use a0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below.✓1319KH₁: P₁OD. Ho: P₁ P₂H₁: P₁ P₂Identify the test statistic.Z= -2.06(Round to two decimal places as needed.)Identify the P-value.P-value = 0.020(Round to three decimal places as needed.)What is the conclusion based on the hypothesis test?w an example Get more help.P2The P-value is less than the significance level of a = 0.05, somales is less than that among females.b. Test the claim by constructing an appropriate confidence interval.The 90% confidence interval is < (P₁-P₂) <-(Round to three decimal places as needed.)سار3EDSoC$4F4R10FLV%5FSTG6H₁: P₁ P₂OE. Ho: P₁ P₂H₁: Pg #P₂Btvreject the null hypothesis. There is sufficient evidence to support the claim that the rate of left-handedness amongMacBook AirYH&71740 8NF7UJ*008DIIIM(9KDDO<1H)H₁: P₁ P₂F. Ho: P1 P2H₁: P₁ P₂OLF10Pcommand>Clear all:;IdF11{+[option=?Check answer11I}*1

Number of left hand males(X1 )=18 Number of males (n1 )=212+18=230 Number of left hand females(X2…

Answered: M₁: P₁ P2 OD. Ho: P₁ P₂ H₁: P₁ P₂…

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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MY NOTES Bags of a certain brand of tortilla chips claim to have a net weight of 12.5 oz. A representative of a consumer advocate group wishes to see if there is any evidence that the mean net weight is less than advertised and so intends to test the hypotheses H0: μ = 12.5, HA: μ < 12.5. To do this, he selects 24 bags of tortilla chips of this brand at random and determines the net weight of each. Data reveals a bell-shaped histogram, a sample mean of 12.31 ounces, and a standard deviation of 0.48 ounces.(a) What type of test is this? Two-sided, one-sample test Two-sided, two-sample test One-sided, two-sample test One-sided, one-sample test (b) Given the test statistic = -1.94 and α = 0.05, which of the following statements is the decision? Reject H0; conclude the bags are underweight. Fail to reject H0; do not conclude the bags are underweight. Fail to reject H0; conclude the the bags are underweight. Reject H0; conclude the bags are overweight.
Determine P-Value.
use the t- distribution and the sample results to complete the test of the hypothesis. use a 5% significance level. Assume the results come from a random sample , and if the sample size is small, assume the underlying distribution is relatively normal . H0: miu=4 vs Ha: miu not equal to 4 using the sample results x bar =4.8 s= 2.3 with n=15. WHAT IS THE P-VALUE?
The test statistic, t, is - 22.67. (Round to two decimal places as needed.) The P-value is 0.000. (Round to three decimal places as needed.) State the conclusion for the test. A. Reject the null hypothesis. There is sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. B. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. C. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda. D. Reject the null hypothesis. There is not sufficient evidence to support the claim that the cans of diet soda have mean weights that are lower than the mean weight for the regular soda.
Test the claim that the proportion of people who own cats is significantly different than 80% at the 0.1 significance level. The alternative hypothesis would be: p 0.8 u > 0.8 µ < 0.8 p # 0.8 µ # 0.8 o The test is: left-tailed two-tailed right-tailed Based on a sample of 500 people, 75% owned cats The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals)
Please help me with this question.
Round all answers to 4 decimal places. a. A bag contains 88 blackblack marbles, 66 whitewhite marbles, and 55 redred marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a blackblack marble and then a redred marble? b. A bag contains 66 yellowyellow marbles, 55 redred marbles, and 88 whitewhite marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a yellowyellow marble and then a whitewhite marble?
An industrial designer wants to determine the average amount of time it takes an adult to assemble an “easy to assemble” toy. A sample of 16 times yielded an average time of 19.9 minutes, with a sample standard deviation of 6 minutes. Assuming normality of assembly times, provide a 90% confidence interval for the mean assembly time.
Need help with just the test statistic and the p-value thank you
Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is μ=12.00 Mbps. The sample size is n=22 and the test statistic is t=1.488. P-value=enter your response here (Round to three decimal places as needed.)
Uestion Help For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d. Claim: The mean IQ score of statistics professors is less than 116. Sample data: n= 17, x= 113, s 6. The significance level is a = 0.05, / Click the icon to view a table of critical t-values.
Can you please help me with this statistics last math problem? Thank you!

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