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Suppose the probability of a diode's failing an inspection is 0.006. What is the probability that in a batch of 500, more than 3 will fail?
The probability of an engine's failing throughout a 30 day acceptance test is 0.3 under adverse environmental situations. Eight engines are included in such a test. Determine the probability of the
Assume you roll single fair die and note the number rolled. Determine the sample space for a single roll of a fair die? Are the outcomes equally likely?
Suggest the experiment of tossing a fair coin four times. The coin has two possible outcomes, heads or tails.
A large group of students took test in Physics and final grades have mean of 70 and standard deviation of 10. If we can approximate the distribution of these grades by a normal distribution, what pe
A young couple plans to continue having children till they have their first girl. Supposing equal probabilities for boys and girls, and independence of outcome of each birth, compute their expected
The American Society for Quality (ASQ) conducted the salary survey of all its members. ASQ members work in all areas of manufacturing and service-related institutions,
The null hypothesis was that population proportion of potential customers preferring product 1 was 0.50, and the alternative hypothesis was that it was not equal to 0.50. The p-value for the test wa
Assume a class of 50 students has 20 males and 30 females. The insturctor will choose 1 (different) student to compete in three different national competitions--in mathematics, chemistry, and Englis
Determine a way to update the sample mean without recomputing the whole average, this is, compute xbar+1 in terms of xbarsubn and xbarsubn+1
Suppose that the service times for either operator are independent identically distributed exponential random variables with the mean of 4 minutes. Also, suppose that the arrival process and the ser
Also, suppose that the arrival process and the service procedure are independent. Determine the long run probability that both operators are busy?
List the data in the following stem-and-leaf plot. The leaf represents the tenths digit.
You have surveyed 30 people and asked whether they are male (M) or female (F), and how many large personal purchases ($5,000 or more per purchase) they've made in the past 6 months. Your survey resu
The following molarities were computed from replicate standardization of a solution: 0.5026, 0.5029, 0.5023, 0.5031, 0.5025, 0.5032, 0.5027, and 0.5026. Within what range are you 95% certain that th
Each morning morning, Hungary Harry eats some eggs. On any given morning, number of eggs he eats is equally likely to be 1, 2, 3, 4, 5, or 6, independent of what he has done in past. Let X be the n
In Riley county, 13 out of 67 vehicles upon Walsburg Road were heavy vehicles, while 32 out of 91 on North 52nd street were heavy vehicles. Determine a 90% confidence interval for the difference bet
Fifteen measurements, expressed as the multiple of standad quantity, had mean of 2.64 and standard deviation of 1.02. Determine a 95% confidence interval for mean penetration resistance for this soi
Determine the probability that each die the same value upon the second roll as on first roll? Determine the probability that the sum of the two dice is the same on both rolls? What is the probability
The probability that an archer hits a target upon given shot is .7. If five shots are fired, determine the probability that the archer doesn't ever hit the target during the five shots.
Create an Excel spreadsheet that can be employed to compute your grade in this class. The spreadsheet must include the weights of each graded assignment, your grade in each assignment, and your fina
Assume a local granola bar company has mean daily defective rate of 3.2 bars. Determine the expected number of defective granola bars.
The probability that an archer hits the target on given shot is .7. If five shots are fired, determine the probability that the archer hits target upon three shots out of five. Please show work.
If you're tossing the fair coin 10 times, determine the probability of getting 4 OR 5 heads out of the 10 coin tosses? Please show work.