Mat133 Study guides, Class notes & Summaries

MATH MAT133 6-3 Homework Help Assignment Solutions. Homework Problem 3 Let's look at this textbook problem: 7.21 Joan’s finishing time for the Bolder Boulder 10K race was 1.75 standard deviations faster than the women’s average for her age group. There were 405 women who ran in her age group. Assuming a normal distribution, how many women ran faster than Joan? We need to figure out what percent (technically, proportion) of women had a shorter run time. Then we multiply that by 405 t...

MAT 133 Chapter 4 Homework - MATH 133 3-4 Homework Chapter 4 Assignment Solutions. Find the mean, sample standard deviation–treating the data as a sample, and the population standard deviation–treating the data as a population. (Round your answers to 4 decimal places.) Mean 7 7 7 Sample Standard Deviation 1 2.16 3.8493 Population Standard Deviation 0. 2 3. 7739

MATH MAT 133 5-3 Homework Assignment Solutions. Homework Problem 7 Find the mean (2 decimal places) and standard deviation (4 decimal places) for each binomial random variable. This is a binomial problem.  n = number of trials  p = probability of success (Your text uses the symbol pi instead of p)  q = 1 - p which is the probability of failure. There are formulas for the mean & standard deviation. To find the mean.  Multiply n•p. To find the standard deviation.  Mult...

MAT 133-J4254 (MATH) Assignment – Questions with Answers Latest Test Guide 50/50. Which of these two displays (table or graph) is more helpful in visualizing the relationship between restaurant size and interior seating for 74 Noodles restaurants? The graph is much more useful. (b) Describe the data. The data points on the far right show restaurants that have large square feet as well as a lot of interior seats. The point all the way to the left shows the opposite, small square footage w...

MAT 133 (MATH) 4-3 Homework Questions with Solutions 2023. The probability that a student has a Visa card (event V) is .60. The probability that a student has a MasterCard (event M) is .20. The probability that a student has both cards is .12. (a) Find the probability that a student has either a Visa card or a MasterCard. Formula for "OR" Probability : P(A U B) = P(A) + P(B) – P(A ∩ B) P(Visa or Mastercard) = P(Visa) + P(Mastercard) – P(Visa and Mastercard): .60 + .20 - .12 = .68...

MAT 133 Assignment Solutions 2023 (MATH)Freshman class at Big State totaled 5,348 students. Of those, 1,263 received a merit scholarship. The merit scholarship amounts were normally distributed with a mean of $3,441 and standard deviation of $485. If the full tuition cost was $4,250 last year, what percentage of students who received a merit scholarship did NOT receive enough to cover full tuition. They tell us that the merit scholarships had a mean of µ=$3,441 and a standard deviation o...

MAT 133-J4254 2-3 Homework Chapter 3 (100% Correct Answers) 2023. MAT 133-J4254 2-3 Homework Chapter 3 (100% Correct Answers) 2023

MAT 133-J4254 | MAT 133 6-3 Homework Help | Assignment Solutions 2023 (MATH) Students who score in the top 7 percent are recognized publicly for their achievement by the Department of the Treasury. Assuming a normal distribution, how many standard deviations above the mean does a student have to score to be publicly recognized? Normal Distribution: Top 7% is the same as the bottom 93% Using Excel you would use =NORM.S.INV(p) where p is the area to the left of the z-score. =NORM.S.INV(.93...

4-3 Homework Help | Questions with Solutions (MAT 133-J4254) Currently Samsung ships 24.8 percent of the organic light-emitting diode (OLED) displays in the world. Let S be the event that a randomly selected OLED display was made by Samsung. a) Find P(S). b) Find P(S′). c) Find odds in favor of event S. d)Find odds against event S. a) Find P(S). This is a terminology/detail question. A probability must be a number between 0 and 1. If you are given a percent, you must move the decimal two...

MAT 133 (MATH) Assignment – Questions with Answers Latest Test Guide 50/50. When Pennsylvania repealed a law that required motorcycle riders to wear helmets, a news headline reported, “Deaths Soar After Repeal of Helmet Law.” After reading the story, Bill said, “But it’s just a correlation, not causation.” Do you agree with Bill’s conclusion? Yes References Worksheet Difficulty: 3 Hard Learning Objective: 01-04 State the common challenges facing business professionals using s...