What is the probability that both david and valerie

Assignment Help Basic Statistics
Reference no: EM132137031

David Barnes and his fiancée Valerie Shah are visiting Hawaii. There are 38 guests registered for orientation. It is announced that 20 randomly selected registered guests will receive a free lesson of the Tahitian dance.

a. What is the probability that both David and Valerie get picked for the Tahitian dance lesson?

b. What is the probability that neither of them gets picked for the Tahitian dance lesson? (Round your answer to 4 decimal places.).

Reference no: EM132137031

Questions Cloud

Find the probability that in one randomly selected package : The shirts are sold in packages of 10. Find the probability that in one randomly selected package:
Celsius thermometers claims the thermometers : Using Excel, A manufacturer of Celsius thermometers claims the thermometers they produce have an average (mean) reading of 0 degrees Celsius
Height in inches verses? centimeters : Suppose you want to calculate the? z-score for your height. How will the? z-scores compare if you use your height in inches verses? centimeters?
See two values per comparison : On a correlation matrix, you will usually see two values per comparison. The top value for a correlation measurement will be the Pearson correlation
What is the probability that both david and valerie : a. What is the probability that both David and Valerie get picked for the Tahitian dance lesson?
Expand and construct the table adding columns : 1. Consider the following data on distances traveled by 60 people to visit the local amusement park.
Suppose x is a normal random variable : Suppose X is a normal random variable with mean µ = 54 and standard deviation s =8.? Compute P(X > 42). (Round to four decimal places.)
Binomial random variable : If x is a binomial random variable where n = 100 and p = 0.2, find the probability that x is less than or equal to 15 using the normal approximation
What is the relative risk of a heart attack : a) How much lower is the risk of a heart attack for those who took aspirin in the study? b) What is the relative risk of a heart attack?

Reviews

Write a Review

Basic Statistics Questions & Answers

  361 college students recorded the number of hours of tv

361 college students recorded the number of hours of tv they watched per week. the average is 6.504 hours with the

  Describe the distribution of the response variable

Predicting movie revenue: simple linear regressions. Now let's look at the response variable and its relationship with each explanatory variable.

  Interval estimate of the proportion of adults

Construct a 90% confidence interval estimate of the proportion of adults whose favorite fruit is banana.

  Probability that the first time a green ball is drawn

Find the probability that the first time a green ball is drawn is before the first time a blue ball is drawn.

  Find upper bound on probability of having more than 200 cars

Use Markov's inequality to find an upper bound on the probability of having more than 200 cars arrive in an hour.

  Compute the expectations and variances

One of the 4 bus drivers is also randomly selected. Let Y denote the number of students on his bus. Compute the expectations and variances of X and Y?

  Chi-square test for goodness of fit

Chi-square test for goodness of fit -  difference in the use of the four entrances?

  Create a categorical variable from a quantitative variable

Create a categorical variable from a quantitative variable. Consider the study described in Example 4.3. Some analyses compared three groups of students

  Suggest that mean cable car time is greater than 5.5 minutes

Is there any evidence to suggest that the mean cable car time is greater than 5.5 minutes? Use a = 0.05 and compute the p value to draw a conclusion.

  Determine interaction between factor a and factor b

Determine if there is interaction between factor A and factor B. Use the p-value approach and a significance level of 0.05.

  Probability that heads appears

Luis has a coin that is weighted so that the probability that Heads appears when it is tossed is 0.51. Suppose that the coin is tossed 4 times.

  What proportion of children

What proportion of children 10 to 15 years of age has total cholesterol between 180 and 190?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd