.3 In a recent survey, 10,000 households were randomly selected. One of the questions on the survey asked how many TVs they had. The results are given in the table below. Number of TVs to number of households # of TVs # of Households P(X=x) 0 160 1 3140 2 3790 3 1920 4 780 5 210 Total 10,000 e) What is the average number of TVs in a household?

.3 In a recent survey, 10,000 households were randomly selected. One of the questions on the survey asked how many TVs they had. The results are given in the table below. Number of TVs to number of households # of TVs # of Households P(X=x) 0 160 1 3140 2 3790 3 1920 4 780 5 210 Total 10,000 e) What is the average number of TVs in a household?

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

# of TVs	# of Households	P(X=x)
0	160
1	3140
2	3790
3	1920
4	780
5	210
Total	10,000

Similar questions

You want to see if it makes a difference which lane to be inwhen there is traffic. You randomly observe 296 cars as theypass by on the four lane freeway. The results are displayed inthe table below. Use a level of significance of a = 0.10.a. Complete the rest of the table by filling in theexpected frequencies:Frequency of Cars in Each LaneOutcome Frequency Expected FrequencyLane 173Lane 2Lane 3Lane 4597985
The weights (to the nearest five pounds) of 30 randomly selected male college students are organized in the histogram. Use the graph to find the median weight. The median weight is pounds. (Type an integer or a decimal.) C Students (frequency) Number 10- 8+ 6- 4- Weight of 30 Male College Students 110 115 120 125 130 135 140 145 150 155 160 165 Weight (pounds) ON
the following table shows the average number of colds per year for a certain group of people by age group. calculate the average number of colds for all the people to the nearest one-hundreth.
In a student survey, forty-one part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 15 0.3659 15 2 12 0.2927 ? 3 ? ? 41 What percent of students take exactly one courses ? %
Data was collected for 322 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below. Number of Guests Frequency 220 – 224 98 225 – 229 81 230 – 234 36 235 – 239 63 240 – 244 44 What is the class width for this GFDT?Class width =
The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744
In a student survey, sixty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answers to 4 decimal places. # of Courses Frequency Relative Frequency Cumulative Frequency 1 0.3 18 2 25 43 3 17 0.2833 What percent of students take exactly one courses? %
You want to see if it makes a difference which lane to be inwhen there is traffic. You randomly observe 296 cars as theypass by on the four lane freeway. The results are displayed inthe table below. Use a level of significance of a = 0.10.a. Complete the rest of the table by filling in theexpected frequencies:Frequency of Cars in Each LaneOutcome Frequency Expected FrequencyLane 173Lane 2Lane 3Lane 4597985
(b) How many rats learned the maze in four trials or less?
Eye Color f % Amber 5 4.81% Blue 8 7.69% Brown 82 78.85% Gray 3 2.88% Green 2 1.92% Hazel 3 2.88% Red/Violet 1 0.96% Total 104 100.00% Comment on your finding
A keen angler kept a record of the weight of each of his last 51 catches of fish. The weights, recorded to the nearest 0-1 kg, are as given in the following table. Weight (kg) 0.0-0.4 0.5-0.9 1.0-1.2 1.3-1.7 1.8-2.1 2.2-3.7 3.8-5-2 Frequency 12 8 2 9 8 8 4 Draw a histogram for the data, and use it to calculate the modal class.
Save Suppose a random sample of n = 390 teenagers 13 to 17 years of age was asked if they use social media. Of those surveyed, 276 stated that they do use social media. Find the sample proportion of teenagers 13 to 17 years of age who use social media. The sample proportion is p= (Round to three decimal places as needed.)