10.00 lbs and a sample stdev of 5 lbs. What is the 90% Conf. Int. for the mean? Group of answer choices 8.36 to 11.64 6.65 to 13.35 8.59 to 11.41 8.14 to 11.86
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- The blood pressure in millimeters was measured for a large sample of people. The average pressure is 140 mm, and the SD of the measurements is 20 mm. The histogram looks reasonably like a normal curv Use the normal curve to estimate the following percentages. Choose the answer that is closest to being correct. A 19.1% B 30.9% C 38.2% D 69.1% E 68.27% A The percentage of people with blood pressure between 130 and 150 mm. B The percentage of people with blood pressure between 140 and 150 mm. D The percentage of people with blood pressure over 150 mm.Use the standard normal table to find the z-score that corresponds tot the given percentile. If the area is not on the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. P 9500 T R AWM Z. Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. If convenient, use technology to find the z-score. P72 Cliak to viouno The z-score that corresponds to P72 is (Round to two decimal places as needed.) Enter your answer in the answer box. ?. ll Jeffrey Jones 61 Lea V Stop Video Participants Chat Share Screen Record Reactions Unmute Type here to search 近。 PrtScn Home (口 F1 F2 F3 F4 F5 23 2$ 5. 9- 4. A. B.
- Remember that the normal curve has 100% total area under the curve and standard units on the x-axis. What is the standard unit value that has 30% of the area to the left of it? In other words, what is the 30th percentile of the normal curve? Choose the answer that is closest. Group of answer choices -0.4 0.4 0.5 -0.5 -0.3 0.3 PreviousNextHi Can you please fill out the blanks?Use the standard normal table to find the z-score that corresponds to the cumulative area 0.0072. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table. LOADING... Click to view page 2 of the standard normal table. LOADING... z=enter your response here (Type an integer or decimal rounded to three decimal places as needed.)
- Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. If convenient, use technology to find the z-score. P18 The z-score that corresponds to P18 isUrea Nitrogen positive control mean of 7 mg/dL with a SD of 1.5 mg/dL. What is the 1SD, 2SD?Please answer the question(s) with the same format as the examples. Thank you.
- Find the area in a t-distribution below -2.3 if the sample has size n=8.Round your answer to three decimal places.area =Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are longer than 35 centimeters. The biologists will select a random sample of crabs to measure. Which of the following is the most appropriate method to use for such an estimate? A one-sample z-interval for a population proportion A A one-sample z-interval for a sample proportion B A two-sample z-interval for a population proportion C A two-sample z-interval for a difference between population proportions D A two-sample z-interval for a difference between sample proportions
