Question 8 2 pts 8. The following data represent the number of games played in each...
The following data represent the number of games played in each series of an annual tournament from 1925 to 2001. Complete parts (a) through (d) below x (games played)456 7 15 11 22 28 Frequency (a) Construct a discrete probability distribution for the random variable x. x (games played)P) 4 (Round to four decimal places as needed.) (b) Graph the discrete probability distribution. Choose the correct graph below A. P(x) P(x) P(x) 0.5 P(x) 0.5 0.5 0.5 (c) Compute and...
4). a. The following data represent the number of games played in each series of an annual tournament from 1925 to 2003. Complete parts (a) through (d) below. D x (games played) 4 Frequency 15 5 17 6 22 7 24 4 1 5 1 6 1 7 1 (Round to four decimal places as needed.) (b) Graph the discrete probability distribution. Choose the correct graph below. O A OB. AP(x) 0.5- AP(X) 0.5- OC. AP(x) 0.54 OD AP(x) 0.5-...
4). a.b. The following data represent the number of games played in each series of an annual tournament from 1925 to 2003. Complete parts (a) through (d) below. 4 x (games played) Frequency 5 17 6 22 70 24 15 (a) Construct a discrete probability distribution for the random variable x. x (games played) P(x) 4 5 6 7 (Round to four decimal places as needed.) (b) Graph the discrete probability distribution. Choose the correct graph below. O A. OB....
Suppose the following data represent the ratings (on a scale from 1 to 5) for a certain smart phone game, with 1 representing a poor rating. Complete parts (a) through (d) below. Stars 1 2 3 4 5 Frequency 2363 2679 4222 3688 10,166 (a) Construct a discrete probability distribution for the random variable x. Stars (x) P(x) 1 2 3 4 5 (Round to three decimal places as needed.) (b) Graph the discrete probability distribution. Choose the correct graph...
using excel answer the problem below Let X be a discrete random variable having following probability distribution. x 2 4 6 8 P(x) 0.2 0.35 0.3 0.15 Complete the following table and compute mean and variance for X x P(x) x· P(x) x2. P(x) 2 0.2 4 0.35 6 0.3 8 0.15 Total 1 Expected value E(X) = u = Variance Var = o2 =
Suppose a life insurance company sells a $150,000 one-year term life insurance policy to a 19-year-old female for $220. The probability that the female survives the year is 0.999554, Compute and interpret the expected value of this policy to the insurance company The expected value is $ . (Round to two decimal places as needed.) Which of the following interpretation of the expected value is correct? O A. The insurance company expects to make an average profit of $153.10 on...
AP-Stats-2005-Q2 2. Let the random variable X represent the number of telephone lines in use by the technical support center of a manufacturer at noon each day. The probability distribution of X is shown in the table below P(x) 0.35 0.20 0.15 0.15 0.10 0.05 ) Suppose you come by every day at noon to see how many lines are in use. What are the chances that you don't find all 5 in use until your 7" visit? ) Find...
Question 10 1 pts The following is the Probability Distribution Function for a discrete Random Variable. What is the expected value of x? HQ8 P(x) 100.1 0.3 0.4 0.2
Help please This Question: 2 pts 22 o Consider the following probability distribution: P(x) 0.1 2 0.2 0.3 What must be the value of P(2) if the distribution is valid? O A. 0.4 O B. 0.5 O C. 0.2 OD, 0.6 What is the mean of the probability distribution? O A. 2.7 O B. 2.0 OC. 2.9 OD. 2.5 Click to select your answer
Use the probability distribution for the random variable x to answer the question. х 0 1 2 3 4 5 p(x) 0.3 0.2 0.05 0.15 0.25 0.05 Find u, 02, and o. (Round your standard deviation to two decimal places.) H = 0.2 x 02 = x