Heights (in inches) obtained by a group of people in a random survey is reported in the table. What is the expected height (in inches)? Heights 55 60 65 70 75 80 85 90 Probability 0.007 0.024 0.112 0.357 0.357 0.112 0.024 0.007
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- A sociologist is analyzing Social Security data. The number of individuals in the sample is 5. The probability that an individual receives Social Security is 20%. What is the probability that exactly 3 of the 5 individuals receive Social Security? O 0.0512 O 0.0305 O 0.6125 O 0.1024A random sample of adults was asked about their highest education level completed. The distribution of results is shown in the table. What is the probability that the highest level of education of an adult is a high school diploma, given that they have completed at least one of the education levels shown? 0.04 0.16 0.47 0.84Use the table to the right, which shows the age distribution of those who earned less than minimum wage in a recent year. If a worker is randomly selected from those surveyed, what is the probability that the person is younger than 55? Age Working Below Minimum Wage (thousands) 16-19 348 20-24 416 25-34 305 35-44 175 45-54 132 55-64 47 65 and older 40 Question content area bottom Part 1 The probability that the person is younger than 55 is enter your response here . (Type a decimal rounded to three decimal places as needed.)
- If contracted with a novel coronavirus infection, the probability that a person will die is 0.001. Of the next 8000 people infected, what is the mean number who will die? O4000 O 2500 O234 04A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 0 1 2 3 4 5 6 D Probability 0.02 0.07 0.15 0.29 0.27 0.12 0.08 Find the expected number of complaints per day. The expected number of complaints per day is (Type an integer or a decimal. Do not round your answer.)Choose an American household at random and ask how many televisions that household owns. Here is the probability as determined by a recent survey: Number of televisions 0 1 2 3 probability 0.10 0.44 0.28 0.18 What is the expected number of televisions per household?
- The distribution for the size of families in one U.S. city is shown below. Size Proportion 2 0.422 3 0.234 4 0.205 5 0.088 6 0.032 7+ 0.019A family is selected at random. Find the probability that the size of the family is at least 3.Four coins are tossed, and the number of heads is recorded. Shade the region on the histogram that gives the indicated probability. P(x > 2) Which of the following shaded regions gives the indicated probability? (Type A, B, C, or D.) A) 0.5- 0.38- 0.25- 0.13- 0- 0.5- 0.38 0.25- 0.13- लट 0 1 2 3 4 01 2 3 4 B) D) 0.5- 0.38- 0.25- 0.13- 0- 0.5- 0.38 0.25 0.13- 0- 0 1 2 3 4 0 1 2 3 4Heights (in inches) obtained by a group of people in a random survey are reported in the following table: Height 55 60 65 Probability 0.005 0,023 0.134 0.338 0.338 0.134 70 75 80 0.023 0.005 85 90 What is the expected height (in inches)? in
- A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 0 1 2 3 4 5 6 > Probability 0.02 0.07 0.12 0.2 0.39 0.13 0.07 Find the expected number of complaints per day. Aww. The expected number of complaints per day is (Type an integer or a decimal. Do not round your answer.)Homework Housework Outside Employment Recreation Other Total Male 29 15 20 23 96 Female 18 17 26 39 4 104 Total 47 32 46 62 13 200A population proportion is 0.58. Suppose a random sample of 658 items is sampled randomly from this population. what is the probability that the sample proportion is between 0.53 and 0.56? What is the probability that the sample proportion is less than 0.49?