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Find mean and standard deviation for given data and make a histogram under Binomial distribution. The quality-control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of eight syringes taken from the batch. Assume the batch contains 1% defective syringes.
a) Make a histogram showing the probabilities of r = 0, 1, 2, 3, 4, 5, 6, 7, or 8 defective syringes in a random sample or eight syringes.
b) Find μ. What is expected number of defective syringes the inspector will find?
c) What is the probability that the batch will be accepted?
d) Find out σ.
where p is the binomial probability of returning a completed survey, and log is the natural logarithm. The multiple logistic regression output from fitting this model is given below.
A savings account was opened for a baby on 1985 with a $100 deposit. No withdrawals or deposits occurred since the account was opened. The current balance of the account is $246.47. Measured in dollars of the year in which the account was opened, how..
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
It could not do anything with the airport and suffer a loss of revenue. The current value of raised revenue from a new airport is in question.
Now he wants to know if there is a difference between the three formats. Is there?
Carry out the global test of hypothesis to find out whether any of the regression coefficients are not equal to 0. Use.05 level of significance.
Compute a 90 percent confidence interval for the difference among the two population proportions. The CEO of the company would like to find out if Canadians.
An old saying in golf is "you drive for show and you putt for dough." The point is that good putting is more important than long driving for shooting low scores and hence winning money.
State in each of given cases whether you would expect relationship between given variables to be positive or negative or neither.
Below is a plot of the Olympic gold medal winning performance in the high jump (in inches) for the years 1900 to 1996.
Develop percent frequency distribution and construct bar chart and pie chart.
A random sample of 100 students at Southern University was collected. The mean age was found to be 24.2 years, with a standard deviation of 3.4 years.
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