Let X be a random variable representing the score of of student.
P(X ≥ 50) = 1 - P(X < 50) = 1 - P(z < (50 - 42)/8) = 1 - P(z < 1) = 1 - 0.84134 = 0.15866

4 0

2 years ago

A box with a volume of 12x²y2 is shown below. what’s <br> the width?

Pani-rosa [81]

good

luck

chuck

:0))))

7 0

2 years ago

A local Honda dealership collects data on customers. Here is data from 311 customers who purchased a Honda Civic. Hybrid Honda C

Kobotan [32]

Answer:

Correct option is: Women are less likely to purchase a Honda Civic with a standard engine than men.

Step-by-step explanation:

Denote the variable as follows:

HHC = Hybrid Honda civic

SHC = Standard-engine Honda Civic

M = male

F = female

The data provided is:

HHC SHC Total

M 77 117 194

F 34 83 117

Total 111 200 311

Compute the probability distribution as follows:

$P (M\cap HHC)=\frac{77}{311}=0.2476$

$P(M\cap SHC)=\frac{117}{311}= 0.3762$

$P(F\cap HHC)=\frac{34}{311}= 0.1093$

$P(F\cap SHC)=\frac{83}{311}= 0.2669$

$P(M) =\frac{194}{311}= 0.6238$

$P(F)=\frac{117}{311} =0.3762$

$P(HHC)=\frac{111}{311}= 0.3569$

$P(SHC)=\frac{200}{311}= 0.6431$

The probability table is:

HHC SHC Total

M 0.2476 0.3762 0.6238

F 0.1093 0.2669 0.3762

Total 0.3569 0.6431 1.0000

Consider the probability distribution above.

The proportion of women purchasing a standard engine Honda civic is less then that for men.

Thus, the correct option is: Women are less likely to purchase a Honda Civic with a standard engine than men.

6 0

2 years ago