Take a guess: A student takes a multiple-choice test that has 11 questions. Each question has four choices. The student guesses randomly at each answer. Let X be the number of questions answered correctly. Round the answers to at least four decimal places. Part 1 of 2 (a) P (4)=1 Part: 1/2 Part 2 of 2 (b) P (More than 3) = X S X S

Q: There is a mound of g pounds of gravel in a quarry. Throughout the day, 300 pounds of gravel is adc…

A: According to question,  In a quarry there is mound of g pounds of gravel. Then  300 pound of gravel…

Q: 23. A pedometer counts the number of steps taken each day. A typical adult burns about 40 calories…

A: (23) Answer:- Given, A typical adult burns about 40 calories for every 1,000 steps taken.  That is,…

Q: 20. Ray's favorite activity is taking a leisurely bike ride through the park after work. If he burns…

A: Given data :  Ray's favorite activity is taking a leisurely bike ride through the park after work.…

Q: f the values of the variable X are 2, 3, 4, 5 and P(x=x) 0.20, 0.30 ,0.20, 0.30, respectively, which…

A: Given data, X P(X=x) 2 0.20 3 0.30 4 0.20 5 0.30   E(X)=?

Q: Is the average time to complete an obstacle course shorter when a patch is placed over the right eye…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Given P(A and B) = 0.16, P(A) = 0.87, what is P(B|A)? Answer in decimal form.  Round to 3 decimal…

A:

Q: There are 5 black, 3 white, and 4 yellow balls in a box (see picture below). Four balls are randomly…

A: There are 5 black, 3 white, and 4 yellow balls in the box. Thus, there are 12 balls in total.The…

Q: Given A = and B = Determine (|A|B) • (A). (Round your answers to 4 decimal places.)

A:

Q: There are two drawers with red and yellow beads in Pinar's wardrobe. The following about the numbers…

A: Given, There are Red and yellow beads in two drawer.  We have to find the number of red beads in the…

Q: f. Identify outliers and potential influential observations. Choose the correct choice below. O A.…

A: The scatter diagram for the data point looks like;

Q: Find  P4 . (b) Find  PMore than 2 .

A: The probability of correctly answering a question = 1/5 n = 7

Q: Given that P(AUB) = 0. 76 Find P(An B) P(An B) = 0.36 P(ANB) = 0.26 %3D %3D %3D O 0.24 O 0.28 O 0.35…

A: Given : P(A ∪B) = 0.76 P(A∩B¯) = only P(A) = 0.36 P(A¯∩B) = only P(B) = 0.26 Now, P(A ∪ B) = only…

Q: Given P(A and B) = 0.14, P(B) = 0.67, P(B|A) = 0.70, what is P(A)? Answer in decimal form. Round…

A:

Q: Kevin is saving money to buy a game. So far he has saved $30, which is five-sixths of the total cost…

A:

Q: If P(A)=.62, P(B) = .47, and P(AUB)=.88; then P(AB)= .1.970 b. 210 670 8291 B

A:

Q: g. What are the observed minus expected counts? h. What is the test statistic? How many degree of…

A: Given:     Alertness     Yes No Total Drinks coffee 30 20 50 Does not drink coffee 20 30…

Q: If P(A) = 0.3 0.4 1.2 0.2 0.7, P(AUB) = 0.9 and P(B) = 0.5, the value of P(AB) is

A: PA∪B=0.9PA=0.7PB=0.5

Q: SSR  = 18, SSE = 2, determine the value of coefficient of​ determination, r2     A. 0.1   B. 0.2…

A:

Q: The Pizza Pie 'N Go sells about 1890 one-topping pizzas each month. The circle graph displays the…

A: From the given pie chart 1. Find the number of onion pizzas sold each month Step 2 of 5: Find the…

Q: Given P(A) = 0.36, P(B) = 0.40 and P(A B) = 0.17. Find P(AUB).

A:

Q: PLS HELP ASAP ON ALL GIVEN QUESTIONS PLS

A: THE ANSWER IS IN THE EXPLANATION PART.FEEL FREE TO ASK ANY OF YOUR DOUBTS AND COMMENT IF YOU FACE…

Q: A previous student of this class was curious about the relationship between number of hours a person…

A:

Q: blue die and a red die are rolled and the pair of dots is observed. List all pairs with sum of dots…

A: When a blue die and red die are rolled then the possible outcomes are…

Q: Given P(B) = 0.28, P(A and B) = 0.29, P(A or B) = 0.45, what is P(A)? Answer in decimal form.…

A: Given :  P(B) = 0.28 P(A and B) = 0.29 P(A or B) = 0.45

Q: The displaced students from the Trapezoid Plane were sent to complete their school year at GWHS.…

A:

Q: Answer the following  1. {(10,9), (-2, -16), (-6,7), (5,8), (8,-16), (-11,9)} Domain:…

A: Set of all x coordinates in a relation is the domain of the relation and set of all y coordinates is…

Q: ower. Determine the power of a test of H0: p = 0.10 when: (a)   p is actually 0.20, α = 0.05…

A: Formula for power: Power=P(Rejecting H0|H0 is false) a) Given  p=0.10 Actual p value is 0.20 n=25…

Q: How do we calculate p?

A: Introduction: P-value: The P-value is the probability of obtaining a test statistic value as extreme…

Q: (07.04 LC) Mellie is conducting a test on mold spores on bread. She uses 6 slices of bread to…

A: The random variable is Bread. There are two dependent samples which are Number of Spots for Strain 1…

Q: Let P(A) = 0.2 and P(B) = 0.5. If P(A|B) = 0.3, calculate P(A and B

A: Given data, P(A) = 0.2   P(B) = 0.5 P(A|B) = 0.3 P(A and B)=?

Q: If 5 points were added to each score, then standard deviation of the new scores tyould a) be…

A: If 5 points were added to each score,then SD of the  new scores would