The cadet engineers of a service company consists of 60% electrical engineers and 40% civil engineers. A random sample of 8 engineers is selected. What is the probability that among the engineers in the sample at least 7 are electrical engineers? O 0.1064 O 0.0413 O 0.0499 O 0.0079
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- A manufacturer received an order of 105 computer chips. Unfortunately, 5 of the chips are defective. To test the shipment, the quality-control engineer randomly selects 5 chips from the box of 105 and tests them. What is the probability of obtaining 2 defective chips? O A. 0.01675 O B. 0.10328 O C. 0.19528 O D. 0.02833Assume that when silts with smartphones are randomly selected 37% use them in meetings or class. IF 6 adult smartphone users are randomly selected, find the probability that exactly 4 of them use their smartphones in meetings or classes.Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes. If 14 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes. The probability is?
- It is known the 60% of toddlers have too much screen time. A randome sample of 8 toddlers were examined. What is the probability that 4 have too much screen time? O a. 0.7678 O b. 0.2322 0.0573 O d. 0.30American Airlines flights from Chicago to Dallas are on-time 71% of the time. Suppose 5 flights are randomly selected, and the number of on-time flights is recorded. The probability that exactly 4 flights are on time is The probability that at most 4 flights are on time is The probability that at least 4 flights are on time isAccording to a recent study 0.45 of the population is left handed. If you randomly select 7 people, what is the probability that at least one of the them is left handed? NOTE: Round your answer to four decintal places
- 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 200Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes.A car insurance company has determined that 9% of all drivers were involved in a car accident last year. Among the 10 drivers living on one particular street, 3 were involved in a car accident last year. If 10 drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? O a. O b. O C. O d. 0.4435 0.9548 0.0541 0.0452
- Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes. The probability isAssume that when adults with smartphones are randomly selected, 47% use them in meetings or classes. If 11 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes. The probability is..Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 77 adult smartphone users are randomly selected, find the probability that exactly 33 of them use their smartphones in meetings or classes. The probability is?