Estimate the mean score from the frequency distribution below. Round to 1 decimal place Score 61-70 71-80 81-90 91-100 Frequency 2 LS2N. 4 5 1

Q: Letter C is 59E, not 53E

A: We need to write (59E)twelve in base 10. (It is given that face value of E is 11)

Q: what is a negative minus a positive number

A: Let's find.

Q: Number 43, please.

A: Given that  2+4+6---------+70  To fidn the sum

Q: answer question 2

A: As per the question we are given the following recurrence relation : T(n) = 6T(n/2) + n  ,  T(1) = 1…

Q: Number 28

A:

Q: Ive. 9*1 =275x-1

A: If bases are equal then automatically powers must be equal in order to satisfy an equation

Q: Answer number 4

A:

Q: 1 is subtracted from the cube of a number

A: 1 is subtracted from the cube of a number.Let the number be xSo, we have1 is subtracted from the…

Q: Could you answer letter D?

A: Se=0.057847, df=n-2=23

Q: 18

A:

Q: Please answer the top one

A: Given, test statistic =-1.603 n=5 degree of freedom =n-1=5-1=4

Q: answer just letter d  , please

A: Solution:

Q: answer for question 16 and 19

A:

Q: Solve. x= x+3 6 x-3 7 = -8

A:

Q: Please answer #6 now.

A:

Q: V9-x2 2+3x dy dx

A:

Q: Solve. 反= -4

A:

Q: Number 284

A: Given revenue function: R(x)=-x2+8x

Q: Number 18

A: