16. The probability of winning on a slot machine is 800 If a person plays the...
The probability of winning on a slot machine is 5%. If a person plays the machine 500 times, find the probability of winning at least 30 times. (A) Almost 0 B) Between 0.01 and 0.20 (C) Between 0.20 and 0.40 (D) Between 0.40 and 0.60 (E) Greater than 0.60
the probability of winning something on a single play at a slot machine is 0.13. after 5 plays on the slot machine, what is the probability of winning at least once
. A particular slot machine at a casino has a p = .05 chance of winning for each play. Successive plays of the machine are independent. On a particular day, this machine is played 25 times. (a) Find the probability that there is at most 1 win among the 25 plays. (b) Find the exact probability that there between 2 and 5 wins among the 25 plays.
Answer the following questions: The team A has a winning probability whenever it plays. If the team plays 4 games then find the probability that A wins: (i) Only two games. (ii) At least one game. (iii) More than half of the games. (iv) What is the expected value and the standard deviation of the number of winning? (II) If X is a random variable with a distribution function: (x2+4x+8). F(x) = {322 -CsxsC cis constant. otherwise then find the...
26. A slot machine has four windows. The wheel behind each window has the same five identical objects. They are: cherry, grape, peach, star and jackpot. After the handle is pulled, the four wheels revolve independently several times before coming to a stop. If the slot machine is played once, what is the probability that only fruits appear in the windows? 25. A manufacturer claims that 10% of women using the "pill" suffer from side effects. The Federal Drug Administration...
Conduct a hypothesis test for each problem, using the traditional method. Show the 5 steps and all work for each hypothesis test. Be sure you select the correct test to use for each problem. 1. A telephone company claims that less than 30% of all college students have a limited number of text messages per month. A random sample of 150 students revealed that 41 of them have a limited number. Test the company's claim at the 0.01 level of...
Education officials in a particular state claim that their state is especially effective in preparing students for college. One assessment of preparation for college is the mathematics part of the Scholastic Aptitude Test (SAT-Math). Suppose that one wanted to infer the population mean SAT-Math score for students in this state using the mean of a simple random sample of SAT-Math scores of students from this state, and one knew that the population standard deviation σ = 100‡. sample mean: 525...
both questions plz 14. Generation Gap: Education Education influences attitude and lifestyle. nowDifferences in education are a big factor in the "generation gap." Is the 2 Yeoyounger generation really better educated! Large surveys of people age 65 and older were taken in n, = 32 U.S. cities. The sample mean for these cities id 15.2% of the older adults had attended college. Large showed that x, surveys of young adults (age 25-34) were taken in n, sample mean for these...
Let X be normally distributed with mean 100 cm and standard deviation 5 cm. (a) On the diagram below, shade the region representing P(X > 105). (2) (b) Given that P(X < d) = P(X > 105), find the value of d. (2) (c) Given that P(X > 105) = 0.16 (correct to two significant figures), find P(d < X < 105). (2) (Total 6 marks) 2. A test has five questions. To pass the test, at least three of...
Probability and Statistics Test Time: 40 mins #1. The Swedish population of men's heights is approximately normally distributed with a mean of 69 inches and standard deviation of 3 inches. If a Swedish man is chosen at random: (a) What is the probability that he is under 5 feet (60 inches)? (b) What is the probability that he is between 5 feet (60 inches) and 6 feet (72 inches)? (c) What height is exceeded by 25% of the men? (d)...