Statistics question and answers for September 25, 2023
- Q The probability of a cesarean delivery is 0.32. Five bables are delivered. What is the probability that there will be less than three cesarean deliveries?0.1520.1910.6640.809
- Q A and B are two independent events. Suppose the probability of A is 0.3, and the probability of B is 0.543. Which of the following is true? Select all that...
- Q For the sample space S = {f, s, g, r, m}, where f denotes French, s Spanish, g German, r Russian, and m Mandarin, identify the probability of the complement...
- Q Explain why the following situation is a permutation: There are ten finalists in the science fair. How many ways could the top three be chosen (first, second, and third place)?
- Q Draw a probability tree diagram for the following scenario: Angelica's favorite meal is pizza, followed by ice cream for dessert. She orders pizza twice a week. If she orders pizza,...
- Q The probability of a hurricane on August 2 is 0.04. What is the probability of a hurricane on August 2 for three years in a row?a) 0.000064b) 0.000192c) 0.120000d) 0.001600
- Q In some cases in hockey, the coach decides who will take a penalty shot. Player A makes 8/10 penalty shots, B makes 9/10, C makes 4/10, and D makes 1/10....
- Q Suppose the probability a resistor at a manufacturing company is defective (the probability of success) is 0.02. What is the probability a manager chooses a defective resistor on the third...
- Q There is a housing lottery in a college for five houses among fifteen students, three students per house. What is the probability that a group of three friends will be...
- Q Which formula can be used to find the probability of four forward steps in a random walk, beginning at location 0, given ten total steps and the probability of a...
- Q A company is testing a product safety feature for a space heater. The likelihood that the safety feature fails is P(A) = 0.3. What is the probability that the safety...
- Q The two-way table shows if campers can or can't swim. Can Swim Can't Swim ...
- Q A group of students was asked which type of beverage they drank in the morning, with multiple beverages allowed such as coffee and orange juice. The results are below. What...
- Q 45 students in a cooking course are asked which is their favorite fruit is out of an Orange, Apple, or Banana. The result of this survey is shown as Orange...
- Q Let A be the probability that a person in the United States has blood type A, 0.4. Let B be the probability that a person in the United States has...
- Q Use the accompanying radiation levels(in W/kg)for 50 different cell phones. Find the percentile corresponding to 1.47 W/kg.The percentile corresponding to 1.47 W/kg is___.(Round to the nearest whole number as needed.)
- Q You play a game where you toss a ball into one of 5 targets while blindfolded. If you hit target 3, you win $15. It costs $4 to play. Construct...
- Q Find the sample variance and the standard deviation for the following sample. Round the answers to at least two decimal places as needed.16 34 24...
- Q Randomly selected college students answered a survey about their drinking habits during the last two weeks of the past semester. The table below represents the results of the survey. ...
- Q Let X?Exp(?) and Y?Exp(?) be independent. Show that(a) min(X,Y)?Exp(?+?)(b) P(X<Y)|min(X,Y)=?/(?+?)
- Q Cards: What is the probability of drawing a Queen or an 8 from a regular deck of cards?
- Q For the data set8 5 5 14 3 4 4 6 8 5 12 54 23 7 5 4 5 6 13 6 6 10Send data to ExcelPart...
- Q Drive-thru Restaurant A B ...
- Q Use the TI-84 Plus calculator to find the z-scores that bound the middle 82% of the area under the standard normal curve. Enter the answers in ascending orde and round...
- Q (a) Find the area under the standard normal curve to the right of z = 0.47.The area to the right of z = 0.47 is
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