A lawyer believes that the probability is .3 that she can win a discrimination suit. If she wins the case she will receive $500 as her revenue, but if she loses she gets nothing. Assume that she has to spend $50 preparing the case. Find the value of the expected value and the STD of her gain (or loss).

Q: A game is played by rolling a single fair die. The player puts $3 on the table and rolls the dielf…

A: A single fair die is rolledThe player wins $9 when die shows a 3 or 4The player win nothing and…

Q: The probability of A is 0.4. The probability of B is 0.5. The probability that neither A nor B…

A: P(A) = 0.4 P(B) = 0.5 P(A'∩B') = 0.1 P(A∩B) = ?

Q: For numbers 3-5, refer to the following problem: Five hundred tickets are sold for P5.00 each. A…

A: Here Given 500 tickets are solds for 5 each ANd there is one winning ticket

Q: Find the probability of the indicated event if P(E)= 0.30 and P(F) = 0.55. Find P(E or F) if P(E and…

A: The provided information are: P(E)=0.30 P(F)=0.55 P(E and F)=0.15 To calculate the P(E or F) use the…

Q: Aylin wrote a phone app. She has noticed that 25% of the users who download her app upgrade it the…

A: The variable X be the number of customers who download Aylin's app until one upgrades it on the same…

Q: What do you mean by probability at a particular point is zero?

A: Here we have to answer the given question.

Q: A jar contains 4 pennies, 6 nickels and 6 dimes. A child selects 2 coins at random without…

A: Given problem Given that   A jar contains  4 pennies 6 nickels 6 dimes A child selects 2 coins at…

Q: You are playing a game with a friend. Your friend says he will pay you $5 for each 3 you roll on a…

A:

Q: You Foll six sided die. If you roll a 6, you win $7. If you roll a 4 or 5, you win $3. Otherwise,…

A:

Q: There would be an expected (Type an integer or a decimal.) of dollars.

A: Amount invested in bonds =$13000  Given the probabilit distribution of the gain or loose To…

Q: A 38-year-old woman purchases a $300,000 term life insurance policy for an annual payment of $490.…

A: Given Information: A 38-year-old woman purchases a $300,000 term life insurance policy for an annual…

Q: A negative z-value implies a negative probability

A: Z~N(μ=0, σ2=1)

Q: We know that on a random day during the summer, the probability that a student jogs is 0.65, the…

A:

Q: A customer pays  $272.45  for 3-year protection plan for their laptop.  If anything happen to the…

A:

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

A:

Q: According to survival probability tables, the probability that an 80 year old male living 1…

A: The probability that an 80 year old male living 1 additional year is 0.93, then the probability that…

Q: Find the probability of the indicated event if ​P(E)=0.25 and ​P(F)=0.55. Find​ P(E and​ F) if​ P(E…

A: Here we need to find P(E and F).

Q: Jim likes to day-trade on the Internet. On a good day, he averages a $1400 gain. On a bad day, he…

A: Answer On a good day, he averages a 1400 gainOn a bad day, he averages a 700 loss.he has a good days…

Q: A lottery posted the probabilities of winning each prize and the prize amounts as shown in the chart…

A: Suppose x is the prize amount from the lottery.

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

A:

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: An insurance company sells a $19,000, eight-year term life insurance policy to an individual for…

A: The amount company has to pay if the individual dies = $19,000The probability the individual will…

Q: A 31-year-old woman purchases a $100,000 term life insurance policy for an annual payment of $410.…

A: Given, The probability that she will survive the year is 0.999056. The probability that she will not…

Q: A woman plans to have two children. The probability that each child is a boy is 0.525, and the birth…

A: Given,P(a baby boy)=0.525P(a baby girl)=1-0.525=0.475

Q: Find the probability of the indicated event if ​P(E)=0.25 and P(F)=0.45.

A: From the given information, ​P(E)=0.25 and P(F)=0.45 P(E and​F)=0.10.

Q: Find the probability of the indicated event if P(E)=0.30 and P(F) = 0.40. Find P(E or F) if P(E and…

A: From the provided information, P (E) = 0.30 and P(F) = 0.40 And P (E and F) = 0.20

Q: An insurance policy costs $105 per year and insures the items in the policy owner's home against…

A: We know the formula for expected return is : Here there are two scenarios ,  Either there will be a…

Q: Find the probability of the indicated event if ​P(E)=0.30 and ​P(F)=0.45. Find​ P(E or​ F) if​ P(E…

A: Solution: From the given information,

Q: What is the probability that the principal is present and makes a purchase when the sales agent…

A: The probability that a school principal is present when a sales agent calls is0.8.

Q: Find the probability of the indicated event if P(E)= 0.25 and P(F) = 0.35. Find P(E or F) if P(E and…

A: Addition rule will applied here

Q: A booth at the school carnival prepared 30 grab bags offered for sale for $3.00 a bag. Ten bags…

A:

Q: An insurance company sells a $9,000, seven-year term life insurance policy to an individual for…

A: Given: Probability that the individual will live for the next seven years =0.96 Probability that the…