Answer: A:60%
Step-by-step explanation:
Since the scores for a golf tournament are normally distributed, we would apply the formula for normal distribution which is expressed as
z = (x - µ)/σ
Where
x = scores for the tournament.
µ = mean score
σ = standard deviation
From the information given,
µ = 210
σ = 80
We want to find the probability percent of golfers that scored less than Ella. It is expressed as
P(x < 230)
z = (230 - 210)/80 = 0.25
Looking at the normal distribution table, the probability corresponding to the z score is 0.5987
Therefore, the percent of golfers that scored less than Ella is
0.5987 × 100 = 59.87
Approximately 60%
Answer:
r = 4 cm
A(circle) = π·r²
= π·(4cm)²
= 3.14·16cm²
= 50.24 cm²
d = 18 in
d = 2r => r = d/2 = 18in/2 = 9 in
A(circle) = π·r²
= 3.14·(9in)²
= 3.14·81in²
= 254.34 in²
Answer:
Step-by-step explanation:
10/4 = 2.5 m in 1 second
Answer:
( x - 6 )² - 35
Step-by-step explanation:
x² - 12x + 1
→ Half the middle term and place it inside the bracket
( x - 6 )² + 1
→ Square it
( x - 6 )² - 36 + 1
→ Simplify
( x - 6 )² - 35
10:11 is your strict probability of 10 out of the 11 students graduating.
