I been having some difficult solving this problem and need help and explanation of how to do it

=: {i AA . Q 9 l6. Marketing: Shopping Time How much customers buy is a direct result ufhow much time they spend in a store. A study of average shopping times in a large national housewares store gave the following information (Source: Why We Buy: The Science of Shopping by P. Underhill): Women with female companion: 8.3 min. Women with male companion: 45 min, Suppose you want to set up a statistical test to challenge the claim that a woman with a female friend spends an average of 5.3 minutes shopping in such a store. (a) What would you use for the null and alternate hypotheses if you believe the average shopping time is less than 8.3 minutes? ls this a righttailed, left-tailed, or two-tailed rest? (11) What would you use for the null and. alternate hypotheses if you believe the average shopping time is different from 8.3 minutes? Is this a righttailed, left-tailed, or two-tailed test? Stores that sell mainly to women should gure out a way to engage the interest of'menperhaps comfortable seals and a big TV with sports programs! Suppose such an entertainmcrit coma was installed and you now wish to challenge the claim that a woman with a male -iend spends only 4.5 minutes shopping in a housewares store. (c) What would you use for the null and alternate hypothem if you believe the average shopping time is more than 4.5 minutes? [3 this a right-tailed, le-tailcd, or two-tailed test? (d) What would you use for the null and alternate hypotheses il'you believe lhe. average shapping time is different from 4.5 minutes? ls Ihis a right-tailed, lei-tailed, or two-tailed test? __.- ---7- - ~