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A restaurant's sales (in dollars) is an example of what level of data measurement? 0 a. nominal O b. interval 0 c. ratio 0 d. ordinal Let X represent the number of children in an Indian household. The probability distribution of X is as follows: X 1 2 3 4 5 p(x) 0.25 0.33 0.17 0.15 0.10 What is the probability that a randomly selected Indian household will have between 3 and 5 children (inclusive)? Select one: O a. 0.42 O b. 0.32 O C. 0.17 O d. 0.15Which of the following about the binomial distribution is NOT a true statement? Select one: 0 a. Each outcome is independent of the other. Ob. Each outcome may be classified as either "success" or "failure". 0 c. The random variable of interest is continuous. 0 d. The probability of success must be constant from trial to trial. The standard normal distribution has the following properties: Select one: Q a. non-symmetrical, mean of 1 and variance of zero. Ob. symmetrical, mean of zero and standard deviation of 1. O c. non-symmetrical, mean of zero and variance which approaches 1 as the degrees of freedom increases. 0 d' symmetrical, mean of 1 and variance of zero. A survey for 25 respondents was conducted to determine how people rated the quality of programming available on television. Respondents were asked rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below. Stem Leaves 3 24 4 03478999 5 0112345 6 12566 7 01 8 9 Referring to the above stern and leaf display, what proportion of the respondents rated overall television quality with a rating of 80 or above? 0 a. 0.00 O b. 0.04 O c. 1 Q d. 0.96 Subscribers to a local newspaper were asked whether they regularly, occasionally or never read the business section and whether they subscribe the print edition or digital edition or both. The data obtained from 500 subscribers is shown below: Regularly Occasionally Never Total Print only 40 30 90 160 Digital only 130 60 10 200 Both print and digital 80 40 20 140 W What percentage of subscribers buy the digital edition only g regularly read business section? 0 a. 20% O b. 90% O c. 64% Q d. 26% A random sample of 25 with a mean of 80 and a standard deviation of 30 is taken from a population of 1000 that is normally distributed. The 90% confidence interval is Select one: O a. 63.218 to 96.782 0 b. 60.519 to 99.481 0 c. 69.735 to 90.265 0 d 67.616to 92.384 Which of the following statements about the median is not true? Select one: O a. It is a measure of central tendency O b. It is equal to Q2 O C. It is more affected by extreme values than the mean O d. It is equal to the mode in bell-shaped "normal" distributionsWe know that the length of time it takes a student to find a parking spot in the library parking lot follows a normal distribution with a mean of 3.5 minutes and a standard deviation of 1 minute. When trying to find a parking spot in the library parking lot, 75.8% of the college students exceed what time? Select one: 0 a. 2.8 minutes 0 b' 3.2 minutes 0 C' 4.2 minutes Q d. 0.7 minutes X is normally distributed with a mean of 100 and standard deviation of 5. What is the probability that an event is greater than 90? Select one: 0 a. 0.0793 0 b. 0.0228 0 c. 0.9772 0 d. 0.4772