Find:a. The score that sets the cut-off mark of 75% passingb. The score that surpasses the 10% of the distribution c. The score that exceeds 10% of the examinees The following distribution shows the scores of 50 students in a 200-item test in statistics.SCORESNUMBER OF STUDENTS150-1542155-1593160-1644165-1696170-17415175-1798180-18410185-1897190-19432195 - 199TOTALN=

Answered: Image /qna-images/answer/c50dd25d-1e89-4b4d-89a3-9537d5788165.jpg

Answered: The following distribution shows the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first two are definitely not good for a person's health, and the last ingredient can cause addiction. Use the data in the table above to make a stem-and-leaf display for milligrams of tar per cigarette smoked. (Enter NONE in any unused answer blanks.) Are there any outliers? A. Yes, 1.0 may be an outlier. B. No, there are no outliers. C. Yes, 29.8 may be an outlier.
Find the test statistic for a proportion "p" given the following information. Malloree ordered 15 pair of shoes online during the stay-at-home order, and 2 pairs arrived with mismatched sizes. Looking on line, she found that the retailer claimed that this happened 4% of the time with online orders. Enter your answer rounded to the thousandths place.
A. Find the proportion runners with the time less than 160 minutes? Show work B. Find the proportion of times 201 minutes or 209 minutes ? Show work C. Describe the shape of the distribution? Identify the class that contains the 50th percentile. is this a typical time ?identify the runners in the 50th percentile. Show work
Statistics Question
Find the closest z-score for the following percentages: The 85th percentile
The state population is recorded as 1,200,000. There were 60,250 total deaths for the year. There were 615 confirmed cases of Hepatitis A were reported to the state health department of which 30 died. What was the cause-specific death rate for the year? Hint: Take the case specific deaths divided into the total state population. Make sure to include the % sign.
d. Let’s define a “binge watcher” as someone in the upper 5% of the distribution of minutes watching TV. How many minutes does a “binge watcher” spend per day watching TV? (Round your intermediate calculations and final answer to 1 decimal place.)
A............ is a table that shows the number of data observations that fall into specific intervals. O a. Pareto chart O b. percent polygon c. frequency distribution O d. histogram
C6. How many hours per week do you spend on e-mail? Data are presented here for a GSS sample of 99 men and women, who each reported the number of hours they spent per week on e-mail. a. Compute the cumulative frequency and cumulative percentage distribution for the data. b. What proportion of the sample spent 3 hours or less per week on e-mail? C. What proportion of the sample spent 6 or more hours per week on e-mail? d. Construct a graph that best displays these data. Explain why the graph you selected is appropriate for these data. E-mail Hours per Week Frequency 19 20 1 13 2 2 4 6. 6. 2 8. 1 6. 23 10 or more 7.
A survey of 2,510 golfers showed that 311 of them are left-handed. Find a point estimate for p, the population proportion of golfers that are left-handed. A. 0.11 B. 0.124 C. 0.141 D. 0.876
Find the test statistic for a proportion "p" given the following information. Malloree ordered 15 pair of shoes online during the stay-at-home order, and 2 pairs arrived with mismatched sizes. Looking on line, she found that the retailer claimed that this happened 4% of the time with online orders.
According to a census company. 7 1% of all bables bom are of low birth weight. An obstetrician wanted to know whether mothers between the ages of 35 and 39 years give birth to a higher percentage of low-birth-weight babies. She randomly selected 240 births for which the mother was 35 to 39 years old and found 28 low-birth-weight bables. Complete parts (a) through (c) below. (a) lf the proportion of low-birth-welght babies for mothers in this age group is 0.071, compute the expected number of low-birth-weight births to 35- to 39-year-old mothers. What is the expected number of births to mothers 35 to 39 years old that are not low birth weight? The expected number of low birth-weight births to 35- to 39-year-old mothers is The expected number of births to mothers 35 to 39 years old that are not low birth weight is (Type integers o decimals)

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The following distribution shows the scores of 50 students in a 200-item test in statistics. SCORES NUMBER OF STUDENTS 150-154 2 155-159 3 160-164 165-169 170-174 175-179 180-184 185-189 190-194 195 199 - TOTAL 4 6 15 8 10 7 3 2 N=