Use normal approximation to estimate the probability of getting less than 54 girls in 100 births. Assume that boys and girls are equally likely.

Q: The random variable X can only take the values ​​1, 2, 3 and 4 with equal probability. Determine the…

A: Given information: A random variable X has been given that can take only values 1, 2, 3 and 4. The…

Q: A study indicates that 67% of students have have a laptop. You randomly sample 7 students. Find the…

A: Given that, The random variable X students have a laptop The probability of success is 0.67 p=0.67…

Q: The probability of winning on an arcade game is 0.711. If you play the arcade game 18 times, what is…

A: Binomial distribution:The events that has exactly two possible outcomes (success or failure) follows…

Q: Normal approximation to estimate the probability of getting exactly 51 girls in 100 births. Assume…

A: Given, Both boys and girls are equally likely P(B) = 0.5 P(G) = 0.5 Sample size n = 100 By normal…

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A: The table summarizes results from 975 pedestrian deaths.

Q: Assume that the incidence of a certain virus in a particular population is 4% and that a test…

A: It is given that, the incidence of a certain virus in a particular population is 4%.

Q: If 25 male college students are randomly​ selected, find the probability that their mean weight gain…

A: It is given that the mean is 1.2 and standard deviation is 5.6.

Q: Based on historical data, your manager believes that 31% of the company's orders come from…

A: Given information n = 175 orders

Q: The average time between accidents in a factory is 4 weeks. Find the probability that more than 11…

A:

Q: The amount of time that a person must wait for a bus is uniformly distributed from 2 and 6 minutes.…

A: From the given information, define the random variable X as the amount of time  is uniformly…

Q: Suppose that the average number of accidents occurring weekly on a par- ticular stretch of a highway…

A:

Q: The average number of field mice per acre in a wheat field is estimated to be 1.2. Find the…

A:

Q: The mean number of customers arriving at a bank during a 15-minute period is 10. Find the…

A: Suppose random variable X defines the number of customers arriving at a bank during a 15-minute…

Q: When manufacturing fabric, the mean number of imperfections per yard of fabric is 0.12. Find the…

A: Given information- We have given the problem of Poisson distribution. Mean no. of imperfections per…

Q: The table summarizes results from 976 pedestrian deaths that were caused by automobile accidents.…

A: From the given table Find P ( pedestrian intoxicated or driver intoxicated ) = ?

Q: The table summarizes results from 986 pedestrian deaths that were caused by automobile accidents.…

A: Solution-:We have given following table:Driver IntoxicatedPedestrian…

Q: What is the probability z will be less than -1.88 OR greater than 1.31?

A: Solution: We need to determine P (z<-1.88 or z>1.31)

Q: Naval intelligence reports that 9 enemy vessels in a fleet of 20 are carrying nuclear weapons. If 5…

A: 9 enemy vessels from 20 are carrying nuclear weapons n = 9 N = 205 vessels are randomly selected…