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Vladimir [108]
3 years ago
7

The probability of choosing an ace from cards is 4/52. What is the probability of not selecting an ace?

Mathematics
1 answer:
motikmotik3 years ago
4 0

Answer:

48/52

Step-by-step explanation:

(total number of cards-4 ace cards)/52

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3(x 1) - 2x = -6 <br> a. x = 1 <br> b. x = 5 <br> c. x = -7 <br> d. x = -9
goblinko [34]
Your problem did not have an operator between the x and 1 so I did it as subtraction and addition. There was no answer choice -3 so D x=-9 is the answer

7 0
3 years ago
The following table shows values from a linear function. What is the
Naddik [55]

Answer:

9

Step-by-step explanation:

The equation graphed from these points is y=3x+9, therefore the y-intercept is 9.

4 0
3 years ago
What is the sum of 1+2+.....+50?​
Natasha_Volkova [10]

Answer:

<u>sum</u><u> </u><u>is</u><u> </u><u>1</u><u>2</u><u>7</u><u>5</u>

Step-by-step explanation:

sum =  \frac{n}{2} [2a + (n - 1)d] \\  \\ sum =  \frac{50}{2} [(2 \times 1) + (50 - 1) \times 1] \\  \\ sum = 25(51) \\ sum = 1275

7 0
3 years ago
Find the slope m of a line perpendicular to a line with known slope −6.
Ipatiy [6.2K]

Answer:

  1/6

Step-by-step explanation:

Perpendicular lines have slopes whose product is -1. That is ...

  -6m = -1

  m = 1/6 . . . . . divide by -6

7 0
4 years ago
Read 2 more answers
A study investigated whether price affects people's judgment. Twenty people each tasted six cabernet sauvignon wines and rated h
patriot [66]

Answer:

t=5.5080( to 3 d.p)

Step-by-step explanation:

From the data given,

n =20

Deviation= 34/20= 1.7

Standard deviation (sd)= 1.3803(√Deviation)

Standard Error = sd/√n

= 1.3803/V20 = 0.3086

Test statistic is:

t = deviation /SE

= 1.7/0.3086 = 5.5080

ndf = 20 - 1 = 19

alpha = 0.01

One Tailed - Right Side Test

From Table, critical value of t =2.5395

Since the calculated value of t = 5.5080 is greater than critical value of t = 2.5395, the difference is significant. Reject null hypothesis.

t score = 5.5080

ndf = 19

One Tail - Right side Test

By Technology, p - value = 0.000

Since p - value is less than alpha , reject null hypothesis.

Conclusion:

From the result obtained it can be concluded that ,the data support the claim that the mean rating assigned to the wine when the cost is described as $90 is greater than the mean rating assigned to the wine when the cost is described as $10.

5 0
3 years ago
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