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Suppose the length of a typical televised football game, including all commercial timeouts, is normally distributed with a mean of 2.45 hours and standard deviation 0.37 hour. Consider a televised football game that begins at 2:00 in the afternoon. The next regularly scheduled broadcast is at 5:00.
What is the probability that the game will cut into the the next programming, that is, go past 5:00?
If the football game is over before 4:30, another half-hour show can be inserted into the 4:30-5:00 slot. What is the probability of this occurring?
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
Assume that you have a binomial experiment with p = 0.5 and a sample size of 100. The expected value of this distribution is.
A dataset has 1000 records and 50 variables with 5% of the values missing, spread randomly throughout the records and variables. An analysis decides to remove records that have missing values. About how many records would you expect would be remov..
Use the normal distribution to approximate the desired probability. Find the probability that in 200 tosses of a fair die, we will obtain at exactly 30 faces.
The number of customers who have requested a reservation at full fare for this flight in the past always has a normal distribution with mean 40 and standard deviation 10. Determine how many seats should be reserved for customers who pay full fare.
The number of children, x, belonging to each of eight families registering for swimming was 2, 2, 2, 4, 2, 1, 2, 2. Find the mean, x. (Give answer correct to 2 decimal places.)
Solve different inventory control problems using an appropriate OR method.
36 values given here are based on summary statistics from research by cumming. Do you think that these data are normally distributed?
Find the critical value for different types of sample size and level of significance:
Consider the following two binomial experiments. In a binomial experiment consisting of six trials, how many outcomes have exactly one success and what are these outcomes?
During the period of time that a local university takes phone-in registrations, calls come in at the rate of one every two minutes.
Operators are to answer telephone calls from customers in an average time of 0.1 minute or less, and either respond to or refer to the proper department within 0.5 minute.
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