Answer:
a) 0.00031
b)  0.0017
c)  0.31 
d) 0.00018
Step-by-step explanation:
attached below is the detailed solution
Total number of 7-poker cards are 52P7 = 133784560
A) Determine the probabilities of Seven-card straight 
probability of seven-card straight = 0.00031
B) Determine the probability of four cards of one rank and three of a different rank 
 P( four cards of one rank and three of different rank ) = 0.0017
C) Determine probability of three cards of one rank and two cards of each two different ranks 
P( three cards one rank and two cards of two different ranks ) = 0.31 
D) Determine probability of two cards of each of three different ranks and a card of a fourth rank
P ( two cards of each of three different ranks and a card of fourth rank ) =  0.00018
 
        
             
        
        
        
Answer:Which is the correct path of sperm during fertilization? cervix, vagina, fallopian tube, uterus fallopian tube, uterus, cervix, vagina vagina, cervix, uterus, fallopian tube uterus, fallopian tube, vagina, cervix
answer -2 
 
        
             
        
        
        
Answer:
3/4
Step-by-step explanation:
Hope this helps! :)
 
        
                    
             
        
        
        
Answer:
a  4 1/5
b  7 7/24
Step-by-step explanation:
a  7/9 * 5 2/5
Change the mixed number to an improper fraction
7/9 * (5*5+2)/5
7/9 * 27/5
Rewrite 
 7/5 * 27/9
 7/5 * 3 
21/5
Change this back to a mixed number
5 goes into 21 4 times  (4*5 = 20 ) with 1 left over
4 1/5
b  1 3/4 * 4 1/6
Change to improper fractions
(4*1+3)/4  * (6*4+1)/6
7/4 * 25/6
175/24
Change back to a mixed number
24 goes into 175 7 times  (7*24 =168 ) with 7 left over
7 7/24