How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range is given below. Assume that the population of x values has an approximately normal distribution.85701158090953023100110105951056011012095906070 ## Determining the Cost of a Sleeping Bag for Cold TemperaturesWhen planning an outdoor adventure, it's crucial to have the right sleeping bag. Let’s say you need a sleeping bag that can keep you warm in temperatures ranging from 20°F to 45°F. Below is a random sample of sleeping bag prices (in dollars) suitable for such conditions:### Sample Prices ($)```85, 70, 115, 80, 90, 95, 30, 23, 100, 110105, 95, 105, 60, 110, 120, 95, 90, 60, 70```### Instructions:#### (a) Calculating Sample Mean Price ($\bar{x}$) and Sample Standard Deviation (s)Use a calculator with mean and sample standard deviation functions to find the following:- Sample Mean Price ($\bar{x}$)- Sample Standard Deviation (s)*Note: Round your answers to four decimal places.*\[\bar{x} = \$ 85.4 \quad \textcolor{green}{✓}\]\[s = \$ 26.5 \quad \textcolor{red}{✗}\]#### (b) Finding a Confidence Interval for the Mean Price ($\mu$)Using the provided data, treat it as representative of all summer sleeping bag prices. Calculate a 90% confidence interval for the mean price ($\mu$) of all summer sleeping bags. *Note: Round your answers to two decimal places.*- Lower Limit: `_________`- Upper Limit: `_________`### Assistance:If you need help with the calculations or concepts, refer to the following resources:- **Read It:** [Link to detailed explanation and examples]- **Master It:** [Link to practice problems and additional resources]This guide helps ensure you can budget appropriately for your gear, ensuring both comfort and safety during your outdoor adventures.

Given : The random sample of prices in dollars for sleeping bags 85 70 115 80 90 95 30 23 100…

much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range is given below. Assume that the population of x values has an approximately normal distribution. 85 70 115 80 90 95 30 23 100 110 105 95 105 60 110 120 95 90 60 7

much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range is given below. Assume that the population of x values has an approximately normal distribution. 85 70 115 80 90 95 30 23 100 110 105 95 105 60 110 120 95 90 60 7

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Game Attendance An athletic director suggests the median number for the paid attendance at 18 local football games is 3000. The data for a sample are shown. At a 0.05, is there enough evidence to reject the claim? If you were printing the programs for the games, would you use this figure as a guide? 4231 5605 2556 5228 5586 3675 3867 3610 4679 5676 5779 4745 2907 4925 4785 4551 3112 3688 Send dats to Excel Part: 0/6 Part 1 of 6 (a) State the hypotheses and identify the claim with the correct hypotheses Ho (Choose one) (Choose one) This hypothesis test is a (Choose one) test. 00000-0 D-D
Mitchell is getting ready to take a baseball rules exam in order to becomne certified as a baseball umnpire in his local community. Past scores on the rules exam form a normal distribution with u = 80 and o = 6. Mitchell must score in the highest 25% of the distribution in order to become a certified umpire. Which minimum score does Mitchell need to obtain on the rules exam to become a certified umpire? OX= 76 O X- 84 OX= 86 OX-81
Compare the distributions of scores. How are students distributed across the range of scores? Are the scores higher in math or verbal ability? Can you please show details and formula? Math Test 67 45 68 70 72 85 90 99 50 73 77 78 52 66 89 75 Verbal Test 89 90 78 77 75 70 56 60 77 78 80 92 98 72 77 82
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P9, the 9th percentile. This is the bone density score separating the bottom 9% from the top 91%. Which graph represents P9? Choose the correct graph below.
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P, the 11th percentile. This is the bone density score separating the bottom 11% from the top 89%. Which graph represents P ? Choose the correct graph below. O A. O B. OD. P11 P11 P11 P11 The bone density score corresponding to P1 is (Round to two decimal places as needed.) Click to select your answer(s). APR tv MacBook Air F9 F10 LLA 20 F3 F6 F8 F4 F5 F1 F2 & #3 7 8. %24
Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 71 miles per hour, with a standard deviation of 5 miles per hour. Estimate the percent of vehicles whose speeds are between 61 miles per hour and 81 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately ________ % of vehicles travel between 61 miles per hour and 81 miles per hour.
You may need to use the appropriate technology to answer this question. In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 drivers were given the exam before and after taking the course. The results are shown below. Assume the population of differences is normally distributed. Driver Score Beforethe Course Score Afterthe Course 1 84 87 2 90 88 3 94 91 4 78 77 5 86 93 6 80 83 Let d = Score After − Score Before. (a) Compute the test statistic. (Round your answer to three decimal places.) (b) Using ? = 0.05 and the p-value approach, test to see if taking the course actually increased scores on the driving exam. Calculate the p-value. (Round your answer to four decimal places.) p-value = What is your conclusion? We do not reject H0. There is no significant difference.We do not reject H0. There is a significant difference. We reject H0. There is no significant difference.We reject H0. There is…
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P7, the 7th percentile. This is the bone density score separating the bottom 7% from the top 93%. Which graph represents P7? Choose the correct graph below. A. P7 The bone density score corresponding to P7 is (Round to two decimal places as needed.) B. A P7 2 C. ^ P7 Ly D. A P7
The Focus Problem at the beginning of this chapter asks you to use a sign test with a 10% level of significance to test the claim that the overall temperature distribution of Madison, Wisconsin, is different (either way) from that of Juneau, Alaska. The monthly average data (in °F) are as follows. Month Jan. Feb. March April May June Madison 17.8 21.4 31.8 46.9 57.1 67.8 Juneau 22.8 27.5 31.8 38.6 46.2 52.7 Month July Aug. Sept. Oct. Nov. Dec. Madison 71.9 69.5 60.8 51.7 35.6 22.2 Juneau 55.6 54.9 49.3 41.1 32.5 26.3 (a) What is the level of significance? (b) Compute the sample test statistic. (Use 2 decimal places.) (c) Find the P-value of the sample test statistic
The frequency distribution below represents frequencies of actual low temperatures recorded during the course of a 31-day month. Use the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal? Class Frequency A 39-44 1 B 45-50 1 AT C 51-56 5 D 57-62 13 E 63-68 8 F 69-74 1 G 75-80 2 Choose the correct histogram below. OA. ABCDEFG O C. 10- ABCDEFG B. Yes, it is approximately normal. C. No, it is not at all symmetric. OD. No, it is completely erratic. B. 10- 0- d. ABCDEFG O D. 10- 0 J ABCDEFG Do the data appear to have a distribution that is approximately normal? OA. No, it is approximately uniform.
The table shows population statistics for the ages of Best Actor and Best Supporting Actor winners at an awards ceremony The distributions of the ages are approximately bell-shaped. Compare the z-scores for the actors in the following situation. Best Actor Best Supporting Actor H= 51.0 H = 43.0 6 = 6.9 0 = 16 In a particular year, the Best Actor was 50 years old and the Best Supporting Actor was 47 years old. Determine the z-scores for each. Best Actor: z = Best Supporting Actor: z = (Round to two decimal places as needed.) Clear All Check Answer Help Me Solve This View an Example Get More Help - 10:22 PM P Type here to search 68°F Cloudy ^ 24 88 10/7/2021 10.0517 Esc FI C F5 F2 F3 F4 F6 F7 F8 PrtSc Insert Delete F9 F10 F11 F12 C@ 3 6 80 Backspace Num Lock T Y U P 7 Home PaUp S D G +II HI 5 LL LU
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P6, the 6th percentile. This is the bone density score separating the bottom 6% from the top 94%. Which graph represents Pg? Choose the correct graph below. OA. O B. OD. Q P8