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Before 1918, approximately 60% of the wolves in the New Mexico and Arizona region were male, and 40% were female. From 1918 to the present, approximately 67% of wolves in the region are male, and 33% are female. (a) Before 1918, in a random sample of 9 wolves spotted in the region, what is the probability that 6 or more were male?probability that 6 or more were female. probability that fewer than 3 were female.For the period from 1918 to the present, in a random sample of 9 wolves spotted in the region, what is the probability that 6 or more were male.
The population consists of two strata, H and L of sizes 100,000 and 500,000 and standard deviations 20 and 12 respectively. A stratified sample of size 100 is to be taken.
The smallest defect in a computer chip will render the entire chip worthless. Therefore, tight quality control measures must be established to monitor the chips.
Examined the effect of body position on blood pressure
Based on this sample information find out what percent of variation in starting salaries is described by GPA, and find out the equation that would forecast salary from GPA. Give a scatter plot.
Using the data for women, complete an analysis of CHD incidence in women similar to the one completed for men.
Scores on certain nationwide college entrance examination follow normal distribution with mean of 500 and a standard deviation of 100. Determine the probability that student will score?
Among 100 people randomly chosen in a survey, exactly 10 stated that they believed that the elected representatives are honest most of the time.
The Daytona Beach Tourism Commission is interested in the average amount of money a typical college student spends per day during Spring Break.
It is known from previous studies that the population variances are 4.1 and 5.0 respectively. Using a level of significance of .05, is there evidence that the first year female high school teachers are receiving lower salaries? Fully explain your ..
If one person is arbitarily selected from this sample, determine probability of getting someone who is age 18-22 or doesn't smoke.
Explain the relationship between sample size and the likelihood of a statistically significant difference between the measured values of two groups.
Describe a study you might design that could use the Chi Square statistic. What are the variables? What are the null and alternative hypotheses? Why would the Chi Square test be appropriate for this design?
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