Solved by Expert Tutors
CARAT COLOR CLARITY CERT PRICE 0.3 D VS2 GIA 1302 0.3 E VS1 GIA 1510 0.3 G VVS1 GIA 1510 0.3 G VS1 GIA 1260 0.31 D VS1 GIA 1641 0.31 E VS1 GIA 1555...
Solved by Expert Tutors
Question

    Refer to the DIAMONDS data , data from a random sample of diamonds sold on the open market. We'd like to use the data to estimate p = proportion of all diamonds sold on the open market that are certified by the Gemological Institute of America (GIA).

Copy the data to a Minitab worksheet.

Question 1 of 5

2.0 Points

 Check the conditions necessary for the validity of the z-interval.


Question 2 of 5

1.0 Points


  Give the point estimate of p.  

_____________(4 decimal places)


Question 3 of 5

2.0 Points

Use Minitab to calculate a 99% confidence interval for p.  Use the appropriate method based on your sample size checks.

( _________ ,  _______ )    (6 decimal places)


Question 4 of 5

3.0 Points

Interpret the confidence interval in the context of this problem.


Question 5 of 5 3.0 Points

Explain what the phrase "99% confident" means in the context of this problem.


CARAT COLOR CLARITY CERT PRICE 0.3 D VS2 GIA 1302 0.3 E VS1 GIA 1510 0.3 G VVS1 GIA 1510 0.3 G VS1 GIA 1260 0.31 D VS1 GIA 1641 0.31 E VS1 GIA 1555 0.31 F VS1 GIA 1427 0.31 G VVS2 GIA 1427 0.31 H VS2 GIA 1126 0.31 I VS1 GIA 1126 0.32 F VS1 GIA 1468 0.32 G VS2 GIA 1202 0.33 E VS2 GIA 1327 0.33 I VS2 GIA 1098 0.34 E VS1 GIA 1693 0.34 F VS1 GIA 1551 0.34 G VS1 GIA 1410 0.34 G VS2 GIA 1269 0.34 H VS1 GIA 1316 0.34 H VS2 GIA 1222 0.35 E VS1 GIA 1738 0.35 F VS1 GIA 1593 0.35 G VS1 GIA 1447 0.35 H VS2 GIA 1255 0.36 F VS1 GIA 1635 0.36 H VVS2 GIA 1485 0.37 F VS2 GIA 1420 0.37 H VS1 GIA 1420 0.4 F VS1 GIA 1911 0.4 H VS1 GIA 1525 0.41 F VS1 GIA 1956 0.43 H VVS2 GIA 1747 0.45 I VS1 GIA 1572 0.46 E VVS2 GIA 2942 0.48 G VVS2 GIA 2532 0.5 E VS1 GIA 3501 0.5 E VS1 GIA 3501 0.5 F VVS2 GIA 3501 0.5 F VS1 GIA 3293 0.5 G VS1 GIA 3016 0.51 F VVS2 GIA 3567 0.51 G VS1 GIA 3205 0.52 D VS2 GIA 3490 0.52 E VS1 GIA 3635 0.52 F VVS2 GIA 3635 0.52 F VS1 GIA 3418 0.53 D VS1 GIA 3921 0.53 F VVS2 GIA 3701 0.53 F VS1 GIA 3480 0.53 G VVS2 GIA 3407 0.54 E VS1 GIA 3767 0.54 F VVS1 GIA 4066 0.55 E VVS2 GIA 4138 0.55 F VS1 GIA 3605 0.55 G VVS2 GIA 3529 0.56 F VS1 GIA 3667 0.56 I VVS2 GIA 2892 0.57 G VVS2 GIA 3651 0.59 G VVS2 GIA 3773 0.6 F VS1 GIA 4291 0.62 E VVS1 GIA 5845 0.63 G VVS2 GIA 4401 0.64 G VVS1 GIA 4759
Background image of page 1
0.66 H VVS1 GIA 4300 0.7 F VS1 GIA 5510 0.7 G VS1 GIA 5122 0.7 H VVS2 GIA 5122 0.7 I VS2 GIA 3861 0.71 F VVS2 GIA 5881 0.71 F VS1 GIA 5586 0.71 F VS2 GIA 5193 0.71 H VVS2 GIA 5193 0.72 F VS2 GIA 5263 0.8 I VVS2 GIA 5441 0.82 I VS2 GIA 4948 0.84 H VS2 GIA 5705 0.85 F VS2 GIA 6805 0.86 H VVS2 GIA 6882 0.89 H VS1 GIA 6709 0.9 I VVS2 GIA 6682 0.5 E VS1 GIA 3501 0.5 G VVS1 GIA 3432 0.51 F VVS1 GIA 3851 0.55 H IF GIA 3605 0.56 E VS1 GIA 3900 0.57 H VVS1 GIA 3415 0.6 H IF GIA 4291 0.63 E IF GIA 6512 0.7 E VS1 GIA 5800 0.7 F VVS1 GIA 6285 0.7 F VS2 GIA 5122 0.7 F VS2 GIA 5122 0.7 G VS1 GIA 5122 0.7 H VVS2 GIA 5122 0.71 D VS1 GIA 6372 0.71 E VS1 GIA 5881 0.71 H VVS2 GIA 5193 0.72 E VS1 GIA 5961 0.72 H VVS1 GIA 5662 0.73 E VS2 GIA 5738 0.73 H VS1 GIA 5030 0.73 H VS1 GIA 5030 0.73 I VVS1 GIA 4727 0.73 I VS1 GIA 4221 0.74 G VVS2 GIA 5815 0.74 H VS2 GIA 4585 0.75 D VVS2 GIA 7368 0.75 I VVS2 GIA 4667 0.75 I VS1 GIA 4355 0.76 D IF GIA 9885 0.77 F VVS1 GIA 6919 0.78 H VS1 GIA 5386 0.8 I VS2 GIA 4832 0.83 E VS2 GIA 7156 0.9 F VS1 GIA 7680 1 D VVS1 GIA 15582 1 D VS1 GIA 11419 1 E VS1 GIA 10588 1 E VS2 GIA 9757 1 F IF GIA 13913 1 F VVS2 GIA 10588 1 F VS1 GIA 10713 1 F VS2 GIA 9480 1 G VVS2 GIA 9896 1 G VS1 GIA 9619 1 G VS2 GIA 9169 1 G VS2 GIA 9203
Background image of page 2
Show entire document
Sign up to view the entire interaction

Step-by-step answer

ur

a. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet

Solution.docx
inia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam ris et, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapi m risus ante, dapi

Subscribe to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question