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During fiscal 1995, Ashland Exploration drilled 7 wells in the United States and 3 in Nigeria. One of the wells in Nigeria was productive and 2 of the wells in the United States were productive. The remaining wells were dry. For a well selected at random from those drilled during fiscal 1995, determine the following probabilities.
a. P(drilled in the United States)
b. P(drilled in the United States or dry)
c. P(dry drilled in Nigeria)
A 1-minute television ad costs $30,000 and 1- minute radio add costs $5,000. French Enterprise should decide how many television ads to buy. Write down the decision variables?
explain some of the differences between the method of distribution functions the transformation method for finding the
A carnival game offers a $100 cash prize for anyone who can break a balloon by throwing a dart at it. It costs $5 to play (they keep your $5 , even if you win the $100), and you're willing to spend up to $20 trying to win. You estimate that you ha..
Student achievement and self-concept. In order to determine if student achievement is related to self-concept, as measured by the Piers-Harris Children's Self-Concept Scale, data were collected on 78 seventhgrade students from a rural midwestern s..
you are trying to estimate the number of csn students with iphones. a random sample of 130 students reveals that 65 of
The average value observed was 1.2 mg. If the sample variance is 0.04 mg, compute a 99% confidence interval for the mean nicotine content.
pick a card from a regular 52-card deck and record the suit then toss a coin and record heads or tails. let a be the
1. In a basket there are 6 red marbles and 4 blue marbles. What is the probability of drawing a red marble--P(R)? 2. In a basket there are 6 red marbles and 4 blue marbles. Given that you have selected a red marble and have placed it in the basket,..
Noise is measured in decibels, denoted as dB. One decibel is about the level of the weakest sound that can be heard in a quiet surrounding by someone with good hearing; a whisper measures about 30 dB.
shown below is a portion of a computer output for a regression analysis relating y demand and x unit price.anovadf
Make an argument about the effects of nation-building - both in the Andersonian sense of "imagining" a national community and in the Weberian sense of modernization and integration - on European history during the long 19th century.
a simple random sample of 50 items from a population with 6 resulted in a sample mean of 32. provide a 90 confidence
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