Answer Happy

statement or answers the question. Find the indicated z-score. 3) Determine the two z-scores that separate the middle 95% of the distribution from the area in the 3) tails of the standard normal distribution. A) 0 and 2.05 B) -2.33 and 2.33 C) -1.75 and 1.75 D) -1.96 and 196 Provide an appropriate response. 4) Suppose a population has a mean of 7 for some characteristic of interest and a standard deviation of 9.6. A sample is drawn from this population of size 64. What is the standard error of the mean? A) 3.3 B) 0.7 C) 0.15 D) 1.2 5) The number of violent crimes committed in a day possesses a distribution with a mean of 2.8 crimes per day and a standard deviation of 6 crimes per day. A random sample of 100 days was observed, and the mean number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. A) approximately normal with mean = 2.8 and standard deviation = 0.6 B) approximately normal with mean = 2.8 and standard deviation = 6 C) shape unknown with mean = 2.8 and standard deviation = 0.6 D) shape unknown with mean = 2.8 and standard deviation = 6 NSWER Write the word or phrase that best completes each statement or answers the ques ONT