Question
  1. The probability of winning the grand prize at a particular carnival game is 0.005. Michele wins the grand prize. Is this considered a rare or common event? Why?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Other

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: Suppose 243 subjects are treated with a drug that is used to treat pain and 50 of them developed nau...

A: Given, The number of subjects treated with a drug that is used to treat pain is n=243 The number of ...

Q: The following sample data are from a normal population:    Sample size (n) = 25, Sample mean=14, Sam...

A: Given Information: Sample size (n) = 25 Sample mean (x ) = 14 Sample standard deviation (s) = 3.6 Co...

Q: If the random variable X is uniformly distributed between 40 and 50, then P(35≤X≤45) is?

A: Click to see the answer

Q: 9. A population has a mean of u = 80 with o= 20. a. If a single score is randomly selected from this...

A: Given :  A population has a mean of μ = 80 and a standard deviation of σ = 20.   Sampling Distributi...

Q: If your score on your next statistics test is converted to a z score, which of these z scores would ...

A: Click to see the answer

Q: Please help. Thankyou!

A: Draw the normal curve and shade the area to the left of z=-0.5. Refer to Standard normal table/Z-ta...

Q: An agricultural researcher plants 25 plots with a new variety of yellow corn. Assume that the yield ...

A: Click to see the answer

Q: 1 There is a provide an estimate of the population mean GMAT score that is within +/-10 of the actua...

A: Since, you have posted a question with multiple subparts, we would solve first three parts, If you w...

Q: A research scientist wants to know how many times per hour a certain strand of bacteria reproduces. ...

A: Obtain the minimum sample size required for the estimate. The minimum sample size required for the e...

Q: what is the proportion?

A: Find z-critical value: For the two-tail test, Area on each tail. Area to the left of the normal c...

Q: A simple random sample from a population with a normal distribution of 106 body temperatures has x=9...

A: Given that, A simple random sample from a population with a normal distribution of 106 body temperat...

Q: Not sure what went wrong? Thank you!

A: It is given that the level of significance is 0.001.

Q: 10. a. Define the distribution of sample means. b. Describe what is measured by the standard error o...

A: Click to see the answer

Q: 11.6.65           A die is tossed. Find the odds against rolling a number greater than 1. T...

A: The odds against of event A is, (1 - P(A))/P(A).

Q: Two samples, each with n = 10 participants, have a pooled variance, sp2 = 180. What is the estimated...

A: From the provided information, Sample size (n1) = 10 and n2 = 10 Pooled variance (sp2) = 180 Pooled ...

Q: A team of researchers is investigating a drug for reducing systolic blood pressure. A group of 6 sub...

A: Click to see the answer

Q: Assume that there is a 6% rate of disk drive failure in a year. If all your computer data is stored ...

A: There was 6% rate of disk drive failure in a year. This means that 94% rate of disk drive does not f...

Q: The 2019 Annual report also reported the age of 8 Executive Officers:   It is known that these 8 e...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: 11.6.41         The table shows the educational attainment of the population of​ Mars, age...

A: Given data: The table showing the educational attainment of the population of Mars, ages 25 and over...

Q: A researcher reports that when groups of four children are randomly selected from a population of co...

A: Given,  The probability distribution, X p(X) 0 0.478 1 0.291 2 0.076 3 0.034 4 0.121 ...

Q: Mean, median and mode are descriptive statistics that we often use when answering scientific questio...

A: There are four level of measurement: Nominal, Ordinal, Ratio, Interval. The mean, median and mode ar...

Q: A simple random sample from a population with a normal distribution of 104 body temperatures has x= ...

A: Click to see the answer

Q: please do parts C and D!!!

A: Given: Sample size, n=219 Number of people who show up for their flight on time, p =83100=0.83 (c) P...

Q: Three randomly selected households are surveyed. The numbers of people in the households are 3​, 4​,...

A: Sample variances: The following table lists the possible samples with replacement, from the three gi...

Q: Please answer question 4, thank you. The probability of winning at the board game Monopoly is 32.5% ...

A: The probability of winning the board game Monopoly is 32.5% if you move first. The proportion for 10...

Q: Assume the geometric mean of 6 profit growth ratios of a company is 1.2. What is the product of thos...

A: Consider a set of numbers x1, x2, …, xn of size n.

Q: A normal population has a mean of 55 and a standard deviation of 14. You select a random sample of 2...

A: Given, Mean μ = 55 standard deviation σ = 14 random sample size n = 25    

Q: 1. A club has 120 members, 30 of whom are lawyers and 20 of whom are liars. A total of 80 members ar...

A: From the given information, there are 120 members, 30 of whom are lawyers and 20 of whom are liars. ...

Q: 1. In a population of N = 20 scores, the smallest score is X = 14 and the largest score is X = 25. U...

A: Click to see the answer

Q: Indicate which of the following hypotheses are one or two tailed and if one tailed, , indicate which...

A: Concept: The null hypothesis can be defined as the hypothesis of no difference or equality, while th...

Q: The following sample data are from a normal population:  Sample size (n) = 25, Sample mean=14, Sampl...

A: Formula for upper limit: Upper limit=x¯+tcriticalsn

Q: The time that it takes a randomly selected job applicant to perform a certain task has a distributio...

A: Given Information :  The time that it takes a randomly selected job applicant to perform a certain t...

Q: The mean is 15.2 and the standard deviation is 0.9. find the probability that X is greater than 17.

A: Click to see the answer

Q: Previously, an organization reported that teenagers spent 4.5 hours per week, on average, on the pho...

A: Given Information :  Previously, an organization reported that teenagers spent 4.5 hours per week, o...

Q: In the manufacture of light emitting diode (LED), different layers of ink are on the optic lens. The...

A: A)  The estimated mean for the ink total thickness =μX1+X2 μX1+X2=μX1+μX2=0.1+0.23=0.33 The estimate...

Q: A random sample is selected from a normal population with a mean of m = 40 and a standard deviation ...

A: Given: A random sample is selected from the normal population. The normal distribution parameters be...

Q: The following sample data are from a normal population:    Sample size (n) = 25, Sample mean=14, Sam...

A: Obtain the margin of error for the estimation of the population mean.   The margin of error for the ...

Q: Question 1 An analyst is interested in testing the hypothesis Ho : µ <15,000. The data consist ...

A: Given Information: An analyst is interested in testing the hypothesis Ho : µ <15,000.  Sample siz...

Q: How do you prove that the normally distributed assumption has been met for a Two Proportion z Test? ...

A: Normally distributed assumption has been met for a Two Proportion z Test can be prove by:  

Q: given that the random variable X is normally distributed with a mean of 80 and a standard deviation ...

A: Given: Meanμ=80Standard Deviationσ=10

Q: The probability density function f(x) for a uniform random variable X defined over the interval [2,1...

A: Click to see the answer

Q: A random sample is selected from a normal population with a mean of m = 40 and a standard deviationo...

A: a.   Consider that μ defines the population mean.   Null hypothesis:   H0: μ = 40.   Alternative hyp...

Q: Assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or classe...

A: Click to see the answer

Q: ​Claim: The standard deviation of pulse rates of adult males is less than 10 bpm. For a random sampl...

A: Given, n=152 and σ=9.7 The claim is – "The standard deviation of pulse rates of adult males is less ...

Q: The probability that a randomly selected box of a certain type of cereal has a particular prize is 0...

A: Here it is given that - The probability that a randomly selected box of a certain type of cereal has...

Q: What are the seven major steps involved with sampling?

A: The seven major steps of sampling is given below: