Here we have asked to find the confidence interval for sample mean. And we have given population standard deviation= 23.
Hence we have to find z confidence interval here.
Hence the required interval is ( 205.5 , 214.5 ). Rounded up to 1 decimal point.
Hope this will help you. Thank you. :)
Please help ASAP. A distribution of values is normal with a mean of 210 and a...
A distribution of values is normal with a mean of 230 and a standard deviation of 14. From this distribution, you are drawing samples of size 14. Find the interval containing the middle-most 36% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact-scores or z-scores rounded to 3 decimal places are accepted. Points possible: 1 License...
A distribution of values is normal with a mean of 170 and a standard deviation of 12. From this distribution, you are drawing samples of size 13. 2. From this distribution, you're Find the interval containing the middle-most 48% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places...
HELP PLEASE WITH WORK SHOWN A distribution of values is normal with a mean of 170 and a standard deviation of 12. From this distribution, you are dra wing samples of size 37. Find the interval containing the middle-most 50% of sample means Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal...
A distribution of values is normal with a mean of 170 and a standard deviation of 12. From this distribution, you are drawing samples of size s7. Find the interval containing the middle-most 50% ofsample means: 171.3 Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
A distribution of values is normal with a mean of 100 and a standard deviation of 12. From this distribution, you are drawing samples of size 11. Find the interval containing the middle-most 74% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Look at the image, thank you. A distribution of values is normal with a mean of 120 and a standard deviation of 28. From this distribution, you are drawing samples of size 22. Find the interval containing the middle-most 98% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal...
A distribution of values is normal with a mean of 170 and a standard deviation of 17. From this distribution, you are drawing samples of size 34.Find the interval containing the middle-most 80% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
k - The Central Limit Theorem 831 and ơ--34.4. You intend to draw a random A population of values has a normal distribution with sample of size n 164. Find P13, which is the mean separating the bottom 13% means from the top 87% means. Pi (for sample means)- Enter your answers as numbers accurate to I decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. Points possible:1 Unlimited attempts. License THeule rk-...
A distribution of values is normal with a mean of 160 and a standard deviation of 4. Find the interval containing the middle-most 30% of scores: Enter your answer using interval notation. Example: [2.1,5.6) Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Right answer needed please. Also the calculator method TI84 plus A distribution of values is normal with a mean of 210 and a standard deviation of 23. From this distribution, you are drawing samples of size I1 Find the interval containing the middle-most 48% of sample means: Your numbers should be accurate to I decimal places. Answers obtained using exact -scores or -scores rounded to 3 decimal places are accepted Points possible: 1 Unlimited attempts. Score on last attempt: 0....