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Question: A drawer of socks contains seven black socks, eight blue socks, and nine green socks. Two socks are chosen in the dark.
a. What is the probability that they match?
b. What is the probability that a black pair is chosen?
Ffind the mean, variance and standard deviation of binomial distribution? what valuses of the random variable X would you consider unusual?
solve the following standard normal probabilities to five decimalsa. pz gt 0.68b. pz gt -1.56c. pzd. p-1.22e. p2.78 gt
The first unit required 9800 hours to manufacture. The company expects to experience an 82% unit learning curve. Estimate the cost of the 20th unit. (Round intermediate calculations to 4 decimal places)
A sample of 100 orders revealed that 82 were delivered within the promised time. At the 0.10 significance level, can we conclude that less than 90% of the orders are delivered in less than 10 minutes?
an example of a dummy variable is time to products first repair in years.select
A firm is expected to pay a dividend of $2.95 next year. Financial analysts believe the stock will be at their price target of $115 in two
A sample of 10 numbers that has a mean of 8.6. How does this illustrate degrees of freedom?
Determine the probability that computer will fail within 12 months?
The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data is summarized in the following table.
question a manufacturer of chocolate candies uses machines to package candies as they move along a filling
In this problem we want to run a test of goodness of fit to check whether the coats in the consignment follow the indicated probabilities.
Using the critical value approach and the sample information reported below, carry out a test of this statement. Let α = 0.05.
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