A used-car dealer gets complaints about his cars as shown in the table. Number of complaints...
A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3 4 5 6 0.01 0.04 0.13 0.21 0.41 0.14 0.06 Probability 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.) A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 1 2 3...
This Question: 2 pts 5 of 42 (0 complete) 5 0.1 A used-car dealer gets complaints about his cars as shown in the table. Number of complaints per day 0 1 2 3 4 6 D Probability 0.01 0.08 0.15 0.23 0.33 0.1 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.)
A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the table. Number of complaints 0 1 2 3 4 5 Probability 0.15 0.26 0.34 0.06 0.09 0.10 What is the probability of between 2 and 3 (inclusive) complaints received per week? Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g.,...
Suppose that ? represents the number of cars sold at a dealership in a randomly selected single day. The probability distribution of ? is given in the table below. ? 4 5 6 7 8 9 10 ?(?) 0.02 0.16 0.23 0.26 0.19 0.13 0.01 What is the mean number of cars, ? , sold per day at the dealership? Give your answer in decimal form precise to two decimal places.
The following table contains the probability distribution for the number of traffic accidents daily in a smal town. Complete parts (a) and (b) to the right. a. Compute the mean number of accidents per day. Number of Accidents Px) (Type an integer or a decimal.) Daily (X) 0.22 0.25 0.21 0.11 0.09 0.07 0.05 b. Compute the standard deviation. (Type an integer or decimal rounded to three decimal places as needed.)
A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the table. Number of complaints 0 1 2 3 4 5 Probability 0.16 0.26 0.35 0.10 0.08 0.05 What is the probability of between 3 and 5 (inclusive) complaints received per week? Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g.,...
A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the table. Number of complaints 0 1 2 3 4 5 Probability 0.15 0.20 0.41 0.11 0.06 0.07 What is the mean of complaints received per week? Please round your answer to the nearest hundredth. Note that the correct answer will be evaluated based on the full-precision result...
An agency collects demographics concerning the number of people in families per household in a certain country. Assume the distribution of the number of people per household is as shown in the table below. x P(x) 2 0.26 3 0.24 4 0.34 5 0.11 6 0.03 7 0.02 a. The expected number of people in families per household is ______ (Type the entire number, do not round.) b. The standard deviation of the number of people in families per household...
A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the table. Number of complaints 0 1 2 3 4 5 Probability 0.20 0.29 0.26 0.12 0.05 0.08 What is the probability of between 1 and 3 (inclusive) complaints received per week? Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g.,...
The following table contains the probability distribution for X = the number of speeding cars reported in a day at an intersection. Probability 0.12 0.29 0.42 0.11 0.04 0.02 What is the probability of more than one but at most four speeding cars in a day at the intersection?