Answer:
No
Mean diameter = 44, which is in the 40 - 44 cm group
Step-by-step explanation:
Given the data:
Diameter (cm) - mid point(X) - frequency(F) - - FX
35-39 - - - - 37 - - - - 8 - - 296
40-44 - - - 42 - - - 10 - - - 420
45-49 - - - 47 - - - 13 - - - 611
50-54 - - - 52 - - - 3 - - - 156
55-59 - - - 57 - - - 1 - - - 57
Mean of grouped data:
Sum of (F × X) / sum of F
1540 / 35 = 44
9.75%=9.75 / 100
=0.0975
=0.0975 / 1 × 10000 / 10000
=975 / 10000
=39 / 400
Hope this helps :)
Find the cost of one bar first
$6.23 divide by 7 = $0.89
$0.89 x 5 =$4.45
If a and B are the zoros of the quadratic polynomial p(x)=4x^2 - 5x-1, find value of a^2B + aB^2 .
Solution
SINCE a and B are the roots of the polynomial: 4x^2-5x-1
Sum of the roots a+B =5/4
Product of the roots aB=-1/4
HENCE
a^2B+aB^2=aB(a+B)=5/4(-1/4)=-5/16
Concept:Relationship Between Zeroes and coefficients of a Polynomial
Answer:
0.888888
Step-by-step explanation:
0.8
9|8.0000
7.2
0.8000
It will ALWAYS cycle like this.