


Audrey Andrews
The University of Texas at El Paso
Statistics
Statistics teacher | Experienced educator in USA
Greetings! I'm a passionate educator with a Statistics major from The University of Texas at El Paso. My commitment to fostering understanding spans various subjects. Whether unraveling the intricacies of data analysis or simplifying complex concepts, my goal is to empower students with knowledge. Let's embark on a journey of learning together!
Questions
- How many different permutation can be made using all letter in the word social science ?
- IMSO,MOSI, and SMIO are some arrangements of the letters I,M,S and O. How many different arrangements are there such that the letter I is not next to the letter O?
- Of 800 people surveyed, 420 were male, and 325 had cell phones. Of those with cell phones, 200 were female. What is the probability that a person surveyed was either male or had a cell phone?
- Jim picked a card from a standard deck. What is the probability that Jim picked a heart or an ace?
- A camera's flash mechanism fails on 14% of shots. If 20 shots are taken using the flash, what is the probability that the flash fails exactly twice?
- 12 persons are to be arranged to a round table if two particular person among them are not to be side by side the total number of arrangement is?
- Which data set COULD NOT be represented by the histogram shown?
- 8 rooms are to be painted with 3 blue, 3 red, and 2 yellow paint tins.(each tin of paint can paint exactly one room and all rooms are identical in shape and size). In how many ways it can be done?
- A line of best fit predicts that when #x# equals 35, #y# will equal 34.785, but #y# actually equals 37. What is the residual in this case?
- A jar contains 100 marbles. There are 35 blue marbles, 34 green marbles, 28 red marbles, and 3 yellow marbles. What is the probability of randomly selecting a yellow marble?
- There are 42 questions , there are 5 answers to each question, only 1 is correct . To pick 1 answer at random what is the chance of getting 30 questions right?
- How to find the probability that the sample mean computed from a 25 measurements will exceed the sample mean computed from the 36 measurement by at least 3.4 but less than 5.9.?
- A correlation of 0.6 means that 60% of the points in the scatter plot lie above the regression line. Is it true or false?
- How many different arrangements can be made with in the word NUMBER?
- Help me to solve this problem please? I really need help to solve about joint probability mass function..
- Approximately What Percentage Of Students Had Between 5 And 8 Assignments In A Week? -(Min:3,Q1:5,Median:8,Q3:9,Max:14) Write In A Sentence Why The Answer Is Correct.
- The mean height of 8 male subjects in a room is 177.62 cm. One subject leaves the room. The mean height is now 176.42 cm. What is the height of the male who left the room?
- What is the z-number associated with a 91% level of confidence? (In two decimal places)
- What is the average deviation of #1.76, 2.28, 1.90#?
- How do you find the z-score for having area 0.09?