Statistics Questions & Answers

The Detroit Red Wings' record for the 2021-2022 regular season was 32-40-10 ( 32 wins, 40 losses, 10 losses in overtime). Determine the percentage of losses in overtime. Round to the nearest thousandth of a percent, if needed. \( 48.780 \% \) \( 12.195 \% \) \( 39.024 \% \) \( 10 \% \)

As of the 2020 census, the city of Warren, MI has a population of 139,387 . There are 7 city council members. Find the standard divisor. Round to the nearest thousandth, if needed. \( 15,710.857 \) 5.022 \( 19,912.429 \) \( 19,192.286 \)

9.2 In a school, 174 grade 11 learners were interviewed about the social media platforms they are subscribed to and use to share Mathematics tips and lessons. - 37 are on TikTok - 60 are on Instagram - 111 are on YouTube - 29 use TikTok and YouTube - 13 use YouTube and Instagram - 45 are not using any social media platforms and are not subscribed. - \( x \) learners use ALL three social media platforms. (TikTok, Instagram and \( \quad \) YouTube) 9.2.1 \( \quad \) Draw Venn diagram to represent the information above. 9.2.2 Show that \( x=13 \). 9.2.3 Calculate the probability that a learner chosen at random, is subscribed to YouTube and Instagram but not TikTok.

Consider the Standard Normal distribution. The mean is always Question Help: Message instructor Submit Question

A variable is normally distributed with mean 18 and standard deviation 9. Use yōur graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 17. b) Find the area to the left of 12 . c) Find the area to the right of 13. d) Find the area to the right of 26 . e) Find the area between 12 and 29 .

Practice Test 65358 - Guerrero, Faustino B - Math Models - Semester A / Unit 2 - Geometry, Probability and: 13. Choose the correct answer. A random sample of 15 states is selected to find the average population in the United States. Is this sampling method biased?

4. Find the mean, median, mode, and range using the data below. \[ \{77,73,92,94,94,89,92,89,68,89\} \] Mean: Median: Mode: Range:

Question 13 In a normal distribution, a data value located 1.4 standard deviations below the mean has Standard Score: \( \mathrm{z}=\square \) \( \mathrm{z}=\square \) In a normal distribution, a data value located 2.3 standard deviations above the mean has Standard Score: Question Help: Submit Question Video

\( > \) Next question \( \leftrightarrows \) Get a similar question You can retry this question below A set of exam scores is normally distributed with a mean \( =82 \) and standard deviation \( =7 \). Use the Empirical Rule to complete the following sentences. \( 68 \% \) of the scores are between \( \square \) and \( 95 \% \) of the scores are between

Next question \( \leftrightarrows \) Get a similar question You can retry this question below A set of exam scores is normally distributed with a mean \( =82 \) and standard deviation = 7 . Use the Empirical Rule to complete the following sentences. \( 68 \% \) of the scores are between \( \square \) and \( 95 \% \) of the scores are between \( \square \) and Question Help: \( \square \) Video \( \square \) Message instructor