A multiple-choice test consists of 10 questions, each with 4 possible answers but only one which is correct. What is the probability that an unprepared will, by chance get All correct answers Exactly 5 correct answers At most 8 correct answers At least 8 correct answers Compute the expected number of correct answers and the standard deviation.

Q: Week 15 CRQ Sam is cleaning out his closet. His mom said his goal is to get to less than 5,000…

A: I am assuming that for each combination Sam wears one piece of each clothing.  Thus, total…

Q: Natalie has a coin bank containing 250 coins, worth $39.25.  She has only dimes and quarters in the…

A: Natalie has a coin bank containing 250 coins, worth $39.25.  She has only dimes and quarters in the…

Q: Jackson has a points card for a movie theater. He receives 85 rewards points just for signing up.…

A:

Q: During a football game, Jayden gained seven yards on the first play. Then he lost 11 yards on the…

A: Jayden needs 4 yards on the next play to get the team back to where they were when they started.…

Q: There is a pie. One half of the pie is already eaten. Another eighth of the pie is eaten. How much…

A: Least common factor(LCM): - In arithmetic, the smallest amount of the whole number is usually…

Q: A basketball player scored 19 times during one game. She scored a total of 27 points, two for each…

A:

Q: Braden scored 9 fewer points on his math test than Ava did. If Ava scored an 86, what was Braden’s…

A:

Q: Ray scored 75 marks for his first math test. His math score increased by 20% on his second math…

A:

Q: If I have 2933 apple and I add 1 more apple how many do I have.

A:

Q: Claire spends most of her day reading on the beach during her vacation. Use the clues below to…

A: This is a simple equation based problem. I used substitution method to solve the above problem.

Q: Bob bought 22 chickens. Each chicken weighs 3.5 pounds. The chickens cost bob $99.33. How much did…

A: Find the solution below

Q: A student assistant at the university copy center has some nickles and dimes to use for change when…

A: Explained below...

Q: 10; ten 100 --- * hundred O hundreds handred

A:

Q: the girl has 5 apples she eats 2 how many apples dose she have left ?

A:

Q: Daniel has 40 coins that are either Nickels or Dimes. The total Value of the coins is $2.85. How…

A: Equation is the statement which explains the equality of expressions. There are types of equations,…

Q: If bailey has 7 bananas and she got 2 more how Many does she have in total?

A: Given, Initially  bailey has 7 bananas  Then She got 2 more bananas We have to find the Total number…

Q: You are asked to make apple pies for the holidays . Each pie required 6 apples. How many apples will…

A: For the following problem,

Q: Kevin works at Tulips and More after school. He is paid $5.75 per hour. He work 1 1/2 hours on…

A:

Q: The average score Josie had in 6 subjects is 72 and her average score after 2 additional subjects…

A: Since you have asked multiple questions in a single request, we will be answering only the 1st…

Q: Admission to a baseball game is $3.00$⁢3.00 for general admission and $7.00$⁢7.00 for reserved…

A: Admission to a baseball game is $3.00 for general admission and $7.00 for reserved seats. The…

Q: Juliette has 348 pennies. If she wants to divide them into sets of 16, how many sets can she make?…

A: this is question of algebra here we have to find using simple divide and get value of that. further…

Q: Rachel has 17 apples. She gives 9 to Sarah. How many apples does Rachel have now?

A: Given that Rachel has 17 apples. Rachel gives 9 apples to Sarah.

Q: Jose has 52 coins among which there are only nickels and pennies. If the value of the coins is…

A: We can use simultaneous equations in order to solve the given problem.

Q: John has 12 apples. John also has 20$ and wants to buy 5 more apples. Each apple costs $2, how much…

A: Given,         John has 12 apples. John also has 20$ and wants to buy 5 more apples. Each apple…

Q: Gus baked 50 brownies. Ida baked 38 brownies. Jax baked 24 brownies. How many more brownies did Gus…

A: Gus baked 50 brownies. Ida baked 38 brownies. Jax baked 24 brownies. We want to find how many more…