Text Liave The probability distribution for the experiment of a chatbot guessing at three true- false questions quiz is given below: mation X 0 2 3 P(x) 0.125 0.375 A 0.125 Text -kal 2. Determine the mean rounded to 1 decimal places 3. Determine the standard deviation rounded to 2 decimal places Text 1. In order for the table to represent a valid probability distribution, find the value of A rounded to 3 decimal places Ay

Q: 32 26

A: Use, sin(theta) = Perpendicular/Hypotenuse

Q: 54 22

A: Given figure,

Q: 24 25

A: The base of the triangle is 24. The hypotenuse of the triangle is 25. The triangle is right angled…

Q: 26 ÷ 22

A: Solve by squarring both side

Q: 18 43

A: Given,

Q: 5.78+9.1

A: We have given that,  5.78+9.1 We will find the addition of the given values?

Q: 3rloy- r5r9 3. 6.

A:

Q: 5+45(669=

A: The given expression is 5+45669. Compute the value as follows.

Q: How many second are there in a year

A: Solution: We know that, number of days in a year = 365 Number of hours in a day = 24 1 hour = 60…

Q: 7 items chosen 5 at a time

A:

Q: Combination C.  (87,1)

A: Given:              C87, 1 The number of k-combinations from a given set S of n elements can be…

Q: 16 - (9 - 4) ÷ 5 =

A:

Q: 6.1 please

A: a) Conditions: The conditions for the two proportion test for sample sizes n1 and n2 with sample…

Q: 20 people if

A: Approach to solving the question: Missing information Detailed explanation: Examples: Key…

Q: 40 X

A:

Q: 6. 5

A:

Q: 36 14

A:

Q: 13

A:

Q: 62 28

A: A circle is given below as shown We have to find x°

Q: 16 I 25 3/5

A:

Q: 2. 7. 58

A:

Q: 707 55. 12

A: Consider the given expression as 70712

Q: 72 44

A: Given: In the right-angle triangle, assume that the missing angle is y So we know that the addition…

Q: 3. Select the equivalent expression. * OA. 1 8-22 O B. 26 89 o20 Tr

A: use the property of exponents

Q: 4. 100° 32

A:

Q: 5.2 please

A: Given information 95% confidence interval = (128 minutes, 147 minutes)

Q: {n fan c) (wp

A:

Q: 150 students and 12 teachers in class how many staff members are in school?

A: Given that in a class     Number of students =  150    Number of teachers = 12   Staff means…

Q: 20 . 35 60.

A: Given equation: 20=3560 Consider the missing term be 'x' 20x=3560 The objective is to find the value…

Q: 2.763-4.5(2.1x-5.1432)=6.32x+5

A:

Q: 100 50 YX

A: From the given figure , we have to find angle x° and y°

Q: 3 7,542

A: We have to perform the division.

Q: 2. 3 71 +-n 3 4 12

A:

Q: 3.4 +3.198

A: Consider