Ex 10: According to a college survey, 22% of all students work full time. Find the mean and the standard deviation for the random variable X, the number of students who work full time in samples of size 16.

Q: Dg.2

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Q: Six more than the quotent of a number and 4 is 8.

A: let that number is x and quotient of the number and 4 be x4

Q: If mZA = 108°, c= 9 and b = 3. Find ZB If mZA = 108°,c = 9 and b = 3. Find 2C If a = 8, b = 3 and c…

A:

Q: 1 Evaluate 5 + 15 -32u when t = 5 and u = To earn full credit, you must show a step-by-step solution…

A: We have to evaluate 5t2+15-32u when t=5 & u=14

Q: Cecilia is 5 years older than Amit. If the sum of their ages 10 years from now will be 95, how old…

A:

Q: It take 2 hours to travel 30 miles by bike . How long will it take to travel 105 miles

A: Given data is : It take 2 hours to travel 30 miles by bike. Speed of bike=distance travel by…

Q: 4. 5. 22x+1-3(2x)+1=0 log, (4x-1)+log, (2x+3)=2

A: We solve both questions as you mentioned it... Thank you for choosing bartleby

Q: C. Domain Range D. Domain Range

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Q: It took Shekinah four hours to install 64 square feet of tile in her kitchen, If she continues…

A:

Q: a car can be rented for $80 per week plus $0.05 per mile can be drivin if you have at most $150 to…

A: A car can be rented for $80 per week plus $0.50 per mile. Amount of money spend for transportation…

Q: A plumber has a piece of pipe that is 5-meter long. He needs to cut it into sections that are 10…

A: According to question

Q: |凸凸凸 Moza, Bilal, and Hareb have a total of $87 in their wallets. Moza has $9 more than Bilal. Hareb…

A: See the attachment

Q: ach pencil cost 20 cents more than each eraser. Find th ane spent the same amoun of money on 10…

A: In the given question, the given situation is modeled as a linear equation. Linear Equation An…

Q: Nine more than a number is 12

A: See this solution in below.

Q: 7+a=85 2. Solution

A: Explanation of the answer is as follows

Q: We have selected the Garbage Processing Unit. The total time estimated to complete 3 trips to the…

A: Given that we have selected the Garbage processing Unit.  The total time estimated to complete 3…

Q: 14 19

A: To determine the value of x.

Q: S 24ecot 4z csc2 4xdx

A: To evaluate: I=∫24ecot 4xcsc24x dx⇒I=24∫ecot 4xcsc24x dx Substitute 4x=t⇒4dx=dt⇒dx=dt4: I=24∫ecot…

Q: 3 2 X+2x +2х 2 3x-1

A:

Q: Evaluate: i'

A:

Q: Three more than the reciprocal of a number is the same as 7 divided by that number. Find the…

A: Let the number be x. Then three more than the reciprocal of the number is (1/x)+3 which is same as 7…