Question # 1 answer a through c The second page is same question but couldn’t take...
During the winter of 2008-2009, the average utility bill for residents of a certain state was $184 per month. A random sample of 40 customers was selected during the winter of 2009-2010, and the average bill was found to be $174.91 with a sample standard deviation of $19.47 .Complete parts a and b below. a) Using alpha=0.05 ,does this sample provide enough evidence to conclude that the average utility bill in this state was lower in the winter of 2009-2010...
also find p value. During the winter of 2008-2009, the average ulity bil for nesidents of a cetai sample standand deviation of $22 02 Complete parts a and b below Determine the hypotheses OA Ho' μ2176 and H' : P<176 OC. Ho: μ 176 and HcF-176 OD, Ho : μ s 170 and H, : μ>176 Debermine the ortical values) (Round t Determine the est statistc to three decimal places as needed. Use a comma to separate answers as needed)...
PLEASE ANSWER QUICKLY. I LIKE YOUR RESPONSE QUICK A marine biologist claims that the mean length of mature female pink sooperch is different infall and winter. A sample of 12 mature female pink superch collected in tal has a meen length of 111 millimeters and a standard deviation of 15 millimeters. A sample of 10 mature female pink saperch collected in winter has a mean length of 102 milimeters and a standard deviation of 16 millimeters. At = 0.01, can...
How do I find these on a calculator or using excel?? Take a Test Kelsey layman-Microsoft Edge B https://www.mathud.com/Student/Player Testaspx?testid-1928742368kcenterwinayes Math 244 winter 2019 PCC Quiz: Week 3 Chapter 21 quiz Time Remaining: ( This Question: 1 pt 2 of 10 This For each of the following situations, find the critical value(s) for z or t b)H, p:008 vs HA p>006 at:005 d)Ho P 06 vs HA p<06ata 0 10, n 300 e)H p 08 vs. HA P08 ata 010...
core: 1 of 5 pts 4 of 6 (6 complete) HW Score: 56%, 11.2 of 20 pts *9.3.17-T Question Help Buppose the average size of a new house built in a certain county in 2006 was 2,276 square feet. A random sample of 30 new homes built in this county was selected n 2010. The average square footage was 2,195, with a sample standard deviation of 222 square feet. a. Using a 0.05, does this sample provide enough evidence to...
A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is 5 less than 0.5. Assume that sample data consists of 55 girls in 121 births, so the sample statistic of results in a z score that is 1 standard deviation below 0. Complete parts (a) through (h) below. Click here to view page 1 of the Normal table. Click here to...
A government-sponsored organization that was established in 1938 after the Depression to provide local banks with money from the federal government to be used for residential mortgages in an effort to increase homeownership rates. As lending standards have tightened during the most recent housing market crisis, credit scores for borrowers of approved mortgages have increased. In 2012, the average credit score for loans that were purchased by the company was 796. A random sample of 20 mortgages recently purchased by...
the bottom three are the same question ^ ^ ^ Find the probability and interpret the results. If convenient, use technology to find the probability. The population mean annual salary for environmental compliance specialists is about $64,500. A random sample of 44 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than $62,000? Assume o = $6.200 The probability that the mean salary of the sample is less than $62,000...
Hello, I need some help with the second question? Thank you! The owner of a health club franchise believes that the average age of the club's members is under 45 years. To test this, a random sample of 30 members was selected. The accompanying sample data are the ages of the sampled individuals. Click the icon to view the data table. a. State the appropriate null and alternative hypotheses. b. Use the test statistic approach to test the null hypothesis...
The test statistic of z = -3.34 is obtained when testing the claim that p= 1/2 a. Using a significance level of a=0.10, find the critical value(s). b. Should we reject He or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table, Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are za : (Round to two decimal places as needed. Use a comma...