Find the proportion of Normally distributed observations with a z-score below 2.56. Give your answer to four decimal places.

The medical records of infants delivered at Kaiser Memorial Hospital show that the distribution of infant lengths at birth (in inches) are N(20, 2.6). Find the proportion of infants among those delivered at the hospital who have the following measures. At least 22 inches. At most 18 inches.

The first 6 months of tracking you found you spent the following amounts (rounded to the nearest whole dollar).  Find the IQR of your data.  Are any values outliers? 54, 65, 59, 48, 67, 60

Please answer the question in the photo. TY!

Please calculate the SD of a sample of 8 data points using the formula taught in class. The information is below. The mean of the sample is 24.0. The sum of all the scores squared (EX²) is 5012.2. Include two decimal places. Answer:

should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?

The distances golf balls travel under laboratory testing conditions are normally distributed. The mean is 313 yards. The probability the golf ball travels further than 322 yards is 0.13. Find the probability a randomly selected golf ball travels between 304 yards and 322 yards. Express the answer as a decimal value rounded to the nearest hundredth.

Create a histogram for each of your variables using the same classes that you used for your frequency table. Discuss the distribution of each histogram. Based on the shape of each histogram, would the mean or median be a better measure of center for each variable? Explain.The graphs go up by 2.5. male stats: mean-18.1667 standard deviation-2.7796 N-183  female stats: mean-20.8973 standard deviation-3.3859 N-183

Find the 90th percentile. So 10% of the TV sets last more than what length of time?

Find the value of so that 92.3% of the data lies to the right of it.