40 numbers are rounded off to the nearest integer and then summed. If the individual round-off error are uniformly distributed over (−.5,.5) what is the probability that the resultant sum differs from the exact sum by more than 5?

Q: The distribution of birth weights (in g) for babies is approximately ?(2750, 560). What is the…

A: We have given that,  If babies birth weights follows normal distribution, with mean( Mu) =2750 and…

Q: The time between arrivals of vehicles at a particular intersection follows an exponential…

A: given data exponential distributionμ = 11 secondsλ = 111 per secondsx = time between…

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A:

Q: The time between arrivals of buses at a bus stand is exponentially distributed with a mean of 20…

A: Problem can be solved using exponential distribution formula.

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A:

Q: Find the probability a randomly selected z-score is less than -1.9.  Round your result to 4 decimal…

A:

Q: The length of time that a student takes to complete her homework is uniformly distributed between 3…

A:

Q: Find the probability that the average effective time of the pain relief drug for a sample of 25…

A: The mean is 2 hours and the standard deviation is 0.20 hours.

Q: The number x of people admitted to an intensive care unit in a particular hospital, on any given…

A: We have given that λ = 5X ~ Poisson (λ)                                                        X ~…

Q: The number of calls received by an office on Monday morning between 8:00 AM and 9:00 AM has a mean…

A: Answer: From the given data, Let X represent the number of calls received by an office on morning…

Q: The table summarizes results from 981 pedestrian deaths that were caused by automobile accidents.…

A: Let A denote the event that pedestrian deaths  Let B denote the event that driver was intoxicated.…

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: Calculate the exact probability that the mean of 3 die rolls will be >2.5 and less than or equal to…

A: Here is the experiment of rolling a 3 die. Minimum sum=3 =(1,1,1) Maximum sum=18=(6,6,6) A total…

Q: Microorganisms appear in the tap water of a certain region at the average rate of 1.6 microorganisms…

A: Number of microorganisms that appear on an average in 1 gallon (4 quarts)  = 1.6 Number of…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Solution: From the given information, the proportion of eligible voters in the next election who…

Q: Suppose there are many students like Judy (apply to 10 colleges, probability of acceptance is .4,…

A: Given that 10 colleges, probability of acceptance is 0.4 and number of acceptances is distributed…

Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…

A:

Q: where did the 14 come from when you multiplied by 182 for the expected count?

A: we need clarify, where did the 4 come from when you multiplied by 182 for the expected count

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

A: Driver intoxicatedPedestrian intoxicatedYesNoYes5480No243609From the addition law of probability, we…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Probability: The formula for probability of an event E is as follows: P(E) = (number of favorable…

Q: The table below describes a sample of males and females who like and dislike pizza. Give answers to…

A: a) The contingency table is given as follows: Gender Likes pizza Dislike pizza Total…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given, The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: Find the probability a randomly selected z-score is less than -2.1.  Round your result to 4 decimal…

A: Solution: The probability that a randomly selected z-score is less than –2.1 can be obtained by…

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: Suppose the time a child spends waiting at for the bus as a school bus stop is exponentially…

A:

Q: At a certain bank the amount of time that a customer spends being served by a teller is exponential…

A: The exponential mean of customer served by teller is 3 minutes.

Q: What is the probability that a card drawn randomly from a standard deck of 5252 cards is an ace?…

A: Obtain the probability that a card drawn randomly from a standard deck of 52 cards is an ace   The…

Q: Use normal approximation to estimate the probability of getting exactly 52 girls in 100 births.…

A: n=100 p=0.5       (there are 2 possibilities boy or girl and p=probability of selecting a girl is…

Q: The probability that a z-score will be between -1.4 and -1.04 is?

A: The objective of this question is to find the probability that a z-score will fall between -1.4 and…

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: We have given that

Q: Robi has recently hired a batch of new employees. Of the new recruits, 72% were able to meet…

A: Given, Meet expectations = 0.72 Not meet expectations  = 0.28 Out of 72% of satisfactory recruits…

Q: Find the probability that the total number of breakdowns that occur in a particular 4-week period is…

A: HereThe number of breakdowns of a factory machine in a week may be modelled by aPoisson distribution…

Q: A recent survey of 1070 U.S. adults selected at random showed that 629consider the occupation of…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…