Estimating a Mean: Consider the frequency distribution for 17 test scores (it was a difficult exam). Score Frequency 60-64 8 65 - 69 4 70-74 2 1 2 75 - 79 80-84 The class midpoint for the third class is The class midpoint for the fourth class is Use the frequency table to estimate the mean score. x=

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: Number 27

A:

Q: 25+2=

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

Q: Please answer 11

A:

Q: Number 28

A:

Q: answer the ones with an x please

A: given that n=1000 p=0.02

Q: to 48x

A: Given expression is:

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: Number 19

A: Solve value for x

Q: Could you answer letter D?

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

Q: Round 234 to the nearest ten and hundred.

A: The hundreds place, tens place and unit place of a number can be represented as:

Q: answer just letter d  , please

A: Solution:

Q: — 33 > 5а + 2

A:

Q: Number 14

A: Correct answer 106° and 74°

Q: Number 284

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

Q: Number 18

A:

Q: to 20

A: Given that: