Please help me on 21 and 22
.Question 21 Go/1 pt 9 10 99 0 Details NBC claims that viewers spend a daily average of 198.7 minutes watching their content. An advertiser wants to verify this and conducts a poll of 33 random viewers who claim to watch NBC. The poll showed that this group spends a daily average of 196.8 minutes watching NBC with a standard deviation of 7.8 minutes. Use a 0.01 significance level to test the claim that the daily average amount of time NBC viewers watch NBC is different from 198.7 minutes, the average amount claimed by NBC.. Claim: Select an answer . which corresponds to Select an answer Opposite: Select an answer . which corresponds to Select an answer The test is: Select an answer The test statistic is: ( to 3 decimals) The Critical Value is: (to 3 decimals) Based on this we: Select an answer Conclusion There Select an answer . appear to be enough evidence to support the claim that the daily average amount of time NBC viewers watch NBC is different from 198.7 minutes, the average amount claimed by NBC.. Question Help: Video Submit Question Question 22 0/1 pt 9 10 99 0 Details A Fair Isaac Corporation (FICO) score is used by credit agencies such as banks to determine whether to lend money and the interest rate to charge. Its value ranges from 300 to 850 and if you have a score over 700, you are considered to be a "quality" credit risk. The mean credit score of average income earners in California is estimated by Fair Isaac to be 555. A recent survey of 31 high income earners in California had a mean FICO score of i=563 and a standard deviation of s=36. Use a 0.025 significance level to test the claim that the mean FICO score of high income earners in California is more than 555, the mean score of average income earners in California. Claim: Select an answer . which corresponds to Select an answer Opposite: Select an answer . which corresponds to Select an answer The test is: Select an answer The test statistic is: (to 3 decimals) Identify the range of the p-value: Select an answer Based on this we: Select an answer C Conclusion There Select an answer . appear to be enough evidence to support the claim that the mean FICO score of high income earners in California is more than 555, the mean score of average income earners in California. Submit