# Grace Agate

Concordia University, St. Paul

Statistics

Statistics teacher | Verified Expert

I am a dedicated educator specializing in Statistics, holding a degree from Concordia University, St. Paul. With a passion for demystifying statistical concepts, I bring a wealth of knowledge to guide students through the intricacies of the subject. My goal is to foster a deeper understanding and appreciation for statistics, making it accessible and enjoyable. Let's embark on a journey of learning and discovery together!

## Questions

- A lunch menu has 4 different sandwiches, 2 different soups, and 5 different drinks. How many different lunches consisting of a sandwich, a soup, and a drink can you choose?
- A trait has two alleles, represented by #p# and #q#. If #p=.35#, what is #q#?
- How many different three-person relay teams are possible with four people?
- The incubation time for Rhode Island Red chicks is normally distributed 27 days and standard deviation of approximately 3 days. If 1000 eggs are incubated, how many chicks do we expect will hatch in 27 to 33 days?
- A cell phone company orders 500 new phones from a manufacturer. If the probability of a phone being defective is 2.6%, how many of the phones are likely to be defective?
- You toss a coin and randomly select a number from 0 to 9. What is the probability of getting tails and selecting a 1?
- There are three questions, and three choices of answer (A, B and C) for each question. If only one of the possible choices (A, B or C) is correct for each question, what is the probability of getting one answer correct?
- We wish to select 6 persons from 8, but if the person A is chosen ,then B mist be chosen.In how many ways can the selection be made?
- How to do this hypothesis testing question?
- What is the probability that exactly one of them is female and exactly one is a child?
- How to find the p-value?
- Given the table of monthly rainfall below, how do you model it with a sinusoidal function of the form #f(x) = A sin(omega x - phi) + beta# where #x# is the month number #1-12# ?
- The harmonic mean of two numbers is 3.2 and the geometric mean is 4. What are the two numbers and what is their arithmetic mean?
- In a series of 2n observations, half of them equal a and remaining half -a.If the standard deviation of the observations is 2,then |a| equals ?
- Assume that women's heights are normally distributed with a mean given by #\mu = 64.2 in#, and a standard deviation given by #\theta = 2.2 in.# (a) If 1 woman is randomly selected, what is the probability that her height is less than 65 in?
- Ali has 6 books, while Adam has 7 books. How many possible ways can they exchange 4 books with each other?
- Sarah has gone to work for 60 days. On 39 of those days, she arrive at work before 8:30 A.M. On the rest of the days she arrived after 8:30 A.M. What is the experimental probability she will arrive after 8:30 A.M. on the next day she goes to work?
- There are 3 blue chips, 2 red chips, and 5 white chips in a bag. It costs $6 to draw a random chip from the bag. You win $10 for a blue, $5 for a red, and $1 for a white. What's the expected winnings per draw?
- What is the probability of rolling, using 2 fair number cubes, either a roll that sums to less than 10 or is a doubles?
- A case of wine contains 12 bottles, of which two are improperly sealed and spoiled. If two bottles are randomly selected from the case, what is the probability that both are spoiled?