Question

1) A manufacturer claims that the mean amount of juice in its 16 ounce bottles is at least 16.1 ounces. C) Two-tailed A) Right-tailed B) Left-tailed 2) A health insurer has determined that the "reasonable and customary" fee for a certain medical procedure is $1200. They suspect that the average fee charged by one particular clinic for this procedure is less than $1200 and wish to conduct a test to see if the suspicion can be supported. B) Left-tailed C) Two-tailed A) Right-tailed 3) In the past, the mean running time for a certain type of flashlight battery has been 8.9 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has changed as a result. B) Left-tailed A) Right-tailed C) Two-tailed True-False 4) The alternative hypothesis determines the tail type. A) True B) False

Answer 1

Solutions © Here null and alternative are Hoi: el 16-1 ounces His uc 16.1 ounces Meant D] it is Left Left tailed tailed test. 2 Here nell and alternative are Hoi- el a $12.00 Hi, el 2 $ 200 Left testi Mecans B] it is Left teilled test. =) tailed 3 Here nu and alternative are el= 8 g el 8.9 Ho; Hi means c) hours hours two tailed two tajled test. it is test The autemative hypothesis deternines atail type. True Yes the alternative hypothesis hypothesis delermine a taj) type. it is two tailed test , It is Right tailed test it # is left tey led tesl there suggest the alterative hypothesis. means all