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Two cards are drawn, without replacement, from a standard deck of fifty-two cards. Find the probability of these events.
a. Getting an eight on the first card and a four on the second card.
b. Getting a queen on the first card and a queen on the second card.
c. Getting a heart on the first card and a diamond on the second card.
d. Getting a club on the first card and a club on the second card.
The mean sat verbal score is 401, with a standard deviation of 97. Use the empirical rule to determine what percent of the scores lie between 207 and 498.
Standard deviation of 0.7 years. If you randomly purchase one item, what is the probability it will last longer than 13 years?
given a level of confidence of 95 and a population standard deviation of 9 answer the followinga what other information
let et wn02. state for each of the following model whether it is stationary and whether it is invertible. explain your
To revise an existing inventory system, a company needs to know something about the lead time for orders it places for a critical part. The company looks at the last 20 orders placed and finds that the lead time in days are:
A breakdown of the responses is shown in the accompanying table. Is there evidence at the 10% level to infer that the responses differ among the three groups of employees?
In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. Find the P value for a test of the claim that the proportion of all children in the town who suffer from asthma is equal to 11%.
A test was conducted to find out whether gender of a spokesperson affected the likelihood that consumers would prefer a new product. A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers prefe..
1. the mean television viewing time for americans is 15 hours per week money november2003. suppose a sample of 60
1 personal best finishing times for a particular race in high school track meets are normally distributed with mean
If a random sample of 10 people found that 9 were pro-life (i.e., 90%), while another random sample of 1,000 people from the same population found that 550 were pro-life (i.e., 55%), which would you find more significant?
Calculate the limits within which the weight of the packets should lie assuming that the machine is not been classified as faulty.
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