In a recent study. 35% of people surveyed indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample often people and ask them to name their favorite flavor of ice cream.a. How many of those in the sample would you expect to name chocolate? (Round your answer to the nearest whole number.)Expected number of peopleb. What is the probability exactly four of those in the sample name chocolate? (Do not round intermediate values. Round your answerto 4 decimal places.)Probability0.1875Probability30c. What is the probability four or more name chocolate? (Round intermediate values to 4 decimal places. Round your answer to 4decimal places.)02936

Sample size(n)=10and p=0.35A random variable XBinomial(n=10 , p=0.35)P(X=x)=

Answered: In a recent study, 35% of people…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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3. Data collected from a website show that 60% of visitors use Scavenger as their web browser. You randomly select 100 visitors from the website. What is the probability that at most 55 of the visitors use Scavenger? Round your answer to the nearest tenth of a percent. Answer choices: 91.7% 60.0% 55.0% 17.9%
A statistics teacher gives a 10-question multiple-choice pop quiz with five answer choices per problem. Brandon is not prepared and has to guess the answer for each of the 10 questions. The teacher explains that students will receive a free homework pass if they answer at least five questions correctly. What is the probability that Brandon will earn a free homework pass? A. 0.006 B. 0.026 C. 0.033 D. 0.967 E. 0.994
Answer parts A, B, and C based on the following scenario. A jar has 20 marbles: 5 green, 7 blue, 8 red. A. What is the probability of randomly choosing a red marble? Answer with a simplified fraction or a percentage rounded to the nearest whole number. B. What is the probability of randomly choosing a red or a green marble? Answer with a simplified fraction or a percentage rounded to the nearest whole number. C. What is the probability of randomly choosing a red and then a green marble (keep the red marble when you choose it)? Answer with a simplified fraction or a percentage rounded to the nearest tenth.
The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. Click the icon to view the table. C a. Find the probability of getting exactly 6 girls in 8 births. (Type an integer or a decimal. Do not round.) b. Find the probability of getting 6 or more girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8 births: the result from part (a) or part (b)? O A. The result from part a, since it less than the probability of the given or more extreme result. O B. The result from part a, since it is the exact probability being asked. O C. The result from part b, since it is the complement of the result of part a O D. The result from part b, since it is the probability of the given or more extreme result. d. Is 6 a significantly high number…
Extra Credit! Let's assume 36% of people have blood type O. At a health clinic, you sample 11 people. Calculate the probability of seeing 4 people out of 11 with blood type O. 6.38% O 24.38% 21.28% 330
Suppose you play a game of rolling a 12-face die. You win if you roll a “3” or “6” or “9”. Otherwise, you lose. a. What is the probability of winning a game? Your answer is 1/4 . Write your answer in decimal number. b. What is the probability of losing a game? Your answer is Write your answer in decimal number. c. Suppose you pay $10 to play the game. You get $10 if you win. Otherwise, you lose the $10. What is your expected value of betting on “3”, “6”, “9”. Hint: 10 x (probability of winning) + (–10) x (probability of losing). Your answer is Write your answer in decimal number. d. What is your expected value of betting on “3”, “6”, “9” for 50 times. Your answer is
n a large population, 46% of the households own DVD recorders. A simple random sample of 100 households from this population is to be contacted and the sample proportion computed. Which expression represents the probability that more than half the households sampled will own a DVD recorder?
You took a multiple-choice math test where there were 10 questions and each question had 4 answers to chose from (but only one of them was correct). What is the probability that you get exactly 9 correct? Be sure to identify your variables.
9-letter words, with or without meaning, are created by using the letters of "MICROWAVE". Blank #1: How many different 9-letter words can be created? Blank #2: How many different 9-letter words are formed where M, W, & V are together? Blank #3: What is the probability of selecting a word with M, W, &V together? (Express Answer as a % to 2 decimal places.) Blank # 1 Blank # 2 Blank # 3 99+ C PV Insert Prtsc Delete Backspace Num Loc 5 6 9. T U 0O G. H. K 11 Enter PgUp Alt Ctrl Home V - 图 * C0 MN IN
The probability of snow in Alaska is 0.8. The roads close on 40% of snowy days. On 18% of days the roads are open and it doesn't snow. In what percentage of days are the roads in Alaska open? a. 20 b. 66 c. 90 d. 34

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