Arun has surveyed 25 classmates about the number of pets in their household and received the following frequency table: Number 0 1 2 3 4 5 6 Frequency 3 4 4 4 4 4 2 Let A be the event in which for a randomly selected classmate the number of pets in their household is 2 and let B be the event in which for a randomly selected classmate the number of pets in their household is 3. Find the following probabilities: P(A or B) = P(A and B)- = % (Round the answer to 2 decimal places.) % (Round the answer to 2 decimal places.)

Q: -8+2t 4

A: Question is based on linear equations solving.

Q: How do I solve

A: Given:  NT=21T2-80T+24 , 4<T<34 Tt=6t+1.8T

Q: 4 + 5x = 36 - 3x

A: We will solve for 'x' .

Q: 1x-3=23

A: Given 1x - 3 = 23

Q: How do I solve

A:

Q: - 1/2x - 3 = - 9

A: SOLUTION-

Q: -2x + 4 = 7

A:

Q: 2x-3=11

A:

Q: 3×+5=23

A: this is a simple equation question  we will simplify by using the maths calculation rule.

Q: How do I solve

A:

Q: -3+9x=12

A:

Q: 7x + 8y = 67  3x + 6y = 39

A: Solving system of equations means finding the value of the variable involved into the equation.

Q: How did you find A=250

A:

Q: -7=2r+1

A: Given,     -7 = 2r + 1         ⇒  2r = -7 -1         ⇒   2r = -8        ⇒     r =  -82

Q: How do I solve

A: The given function fx=5x. (a) Obtain the function fx=5x shifting 2 units upward as shown below. In…

Q: -18-3s=15

A: Given -18-3s=15

Q: 8-2x=30

A: Given Equation:- 8-2x=30

Q: How do I solve

A:

Q: 2x + 1 = 98

A: Given 2x+1 = 98

Q: How do I solve

A:

Q: How do I solve

A: A). a=$3000,  r=3%=0.03  &  k=4.   B). Put a=$3000,  r=0.03,  k=4 & t=7 in At=a1+rkkt, we…

Q: Amelie works on her homework for hour before her soccer practice and hour after her soccer practice.…

A: For the fraction, pq, the numerator is p and the denominator is q. If two fractions with same…

Q: Evaluate 4a + b - 12 when a = - 1 and b = 2.5

A: See the solution below:

Q: How do I solve

A: Consider the given graph: Observe the following: Maximum input is 2. Minimum input is -3. Maximum…

Q: 2X+3=9.X=

A: Solution

Q: 14 9

A: Solution-

Q: How do I solve

A: It is know that, If c denotes the length of the hypotenuse and a and b denote the lengths of the…

Q: find a1 when S40=440 and d=6

A: