Rewrite the following statement so that the likelihood of

assumption of a mean weight of 139 lb the boat was rated to carry 60 passengers so the load limit was 8 340 lb After the boat sank the assumed mean weight for similar boats was changed from 139 lb to 171 lb Complete parts a and b below a Assume that a similar boat is loaded with 60 passengers and assume that the weights of people are normally distributed with a mean of 181 3 lb and a standard deviation of 36 9 lb Find the probability that the boat is overloaded because the 60 passengers have a mean weight greater than 139 lb The probability is Round to four decimal places as needed

A credit card company claims that the mean credit card debt for individuals is greater than 4 900 You want to test this claim You find that a random sample of 37 cardholders has a mean credit card balance of 5 046 and a standard deviation of 650 At a 0 01 can you support the claim Complete parts a through e below Assume the population is normally distributed What is are the critical value s to to 2 435 Use a comma to separate answers as needed Round to three decimal places as needed Determine the rejection region s Select the correct choice below and fill in the answer box es within your choice Round to three decimal places as needed OA t C t B t and t D t 2 435 c Find the standardized test statistic t t 1 37 Round to two decimal places as needed d Decide whether to reject or fail to reject the null hypothesis A Reject Ho because the test statistic is not in the rejection region B Fail to reject Ho because the test statistic is not in the rejection region C Fail to reject Ho because the test statistic is in the rejection region OD Reject Ho because the test statistic is in the rejection region e Interpret the decision in the context of the original claim OA At the 1 level of significance there is not sufficient evidence to support the claim that the mean credit card debt is greater than 4 900 OB At the 1 level of significance there is sufficient evidence to support the claim that the mean credit card debt is less than 4 900 OC At the 1 level of significance there is not sufficient evidence to support the claim that the mean credit card debt is less than 4 900 OD At the 1 level of significance there is sufficient evidence to support the claim that the mean credit card debt is greater than 4 900

Which of the following is the hypothesis test to be conducted A Hop 05 H p 05 Ho p 05 H p 05 OEM p 05 Hy D 05 What is the test statistic 20 Round to two decimal places as needed OB Ho P 05 H p 05 OD Ho p 05 H p 0 5 OF 16 0205 H p 05

Claim The standard deviation of pulse rates of adult males is more than 10 bpm For a fanc sample of 171 adult males the pulse rates have a standard deviation of 11 5 bpm Complet parts a and b below a Express the original claim in symbolic form bpm Type an integer or a decimal Do not round

4 A reporter from the Sacramento Bee claims that more than 14 of California workers say it is likely they will quit working this year In a simple random sample of 250 California workers 18 said it is likely they will quit working this year At the significance level of 5 is there enough statistical evidence to support the report s claim Requirements 1 2 Simple Random Sample Binomial 3 np 250 Step 1 State the hypothesis Ho Ha Tail Step 2 Draw your distribution and find critical number s Step 3 Compute the test statistics Step 4 Make a Decision Step 5 Summarize the result Restate the level of significance and discuss the claim

The length X of a fish from a particular mountain lake in Idaho is normally distributed with 8 2 inches and 1 5 inches a Is X a DISCRETE or a CONTINUOUS random variable b Write the event a fish chosen has a length equal to 6 2 inches in terms of X I am expecting an inequality such as X 3 c Find the probability of this event d Find the probability that the length of a chosen fish was at most 9 2 inches e Find the probability that the length of a chosen fish was between 6 2 and 9 2 inches

For each statement select True or False from each pull down menu 1 In the normal distribution the right half of the curve is slightly larger than the left half 2 The z score such that the area to the left of it is 0 05 is located to the left of zero on the z axis 3 All normal distributions have a mean of zero 4 If X is a normal random variable and c is a constant then P X c 0 5 In the normal distribution the tails of the graph get closer and closer to the horizontal axis but never crosses it

The top selling Red and Voss tire is rated 60000 miles which means nothing In fact the distance the tires can run until they wear out is a normally distributed random variable with a mean of 73000 miles and a standard deviation of 5000 miles a What is the probability that the tire wears out before 60000 miles Probability b What is the probability that a tire lasts more than 76000 miles Probability

An analysis of variance produces SS between 30 SS within 60 and an F ratio with df 2 15 For this analysis what is the F ratio O30 60 0 50 O4 15 0 27 O 60 30 2 00 15 4 3 75

ITTERBUG CONTEST THE PROBABILITY THAT BOB AND SUE NENNO WILL WIN THE ITTERBUG CONTEST IS 0 7 FIND THE ODDS IN FAVOR OF THEM WINNING