# Question

Refer to the data on the Jan. 2010 sanitation scores for 186 cruise ships, presented in Exercise. In exercise

Ship Name Sanitation Score

Adventure of the Seas ......... 98

AID Aaura ............ 100

Albatross .............. 69

Amadea .............. 84

Amsterdam ............ 99

. .................. .

. .................. .

. .................. .

Westerdam ............ 99

Wind Spirit ............ 97

Wind Surf .............. 95

Zaandam ............. 99

Zuiderdam ............ 95

The data are saved in the SHIPSANIT file. Assess whether the sanitation scores are approximately normally distributed.

Ship Name Sanitation Score

Adventure of the Seas ......... 98

AID Aaura ............ 100

Albatross .............. 69

Amadea .............. 84

Amsterdam ............ 99

. .................. .

. .................. .

. .................. .

Westerdam ............ 99

Wind Spirit ............ 97

Wind Surf .............. 95

Zaandam ............. 99

Zuiderdam ............ 95

The data are saved in the SHIPSANIT file. Assess whether the sanitation scores are approximately normally distributed.

## Answer to relevant Questions

Refer to the Southern Economic Journal (Apr. 2008) rankings of Ph.D. programs in economics at 129 colleges and universities, Exercise. Recall that the number of publications published by faculty teaching in the Ph.D. program ...According to recent studies, 1% of all patients who undergo laser surgery (i.e., LASIK) to correct their vision have serious post-laser vision problems (All About Vision, 2006). In a random sample of 100,000 LASIK patients, ...Suppose x has an exponential distribution with Î¸ = 2.5. Find the following probabilities: a. P(x â‰¤ 4) b. P(x > 5) c. P(x â‰¤ 2) d. P(x > 3) Assume that x is a random variable best described by a uniform distribution with c=40 and d=70. a. Find f(x). b. Find the mean and standard deviation of x. c. Graph the probability distribution for x, and locate its mean ...The frequency distribution shown in the accompanying table depicts the property and marine losses incurred by a large oil company over a two-year period. In the insurance business, each â€ślossâ€ť interval is called a layer. ...Post your question

0