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nignag [31]
3 years ago
11

Jim made 6 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 6 necklaces wa

s $25.80. If the beads cost a total of $10.20, How much did each pendant cost.
I will gave brainlist and 25 points
Mathematics
2 answers:
Mashutka [201]3 years ago
6 0

Answer:

2.60

Step-by-step explanation:

divide the remaining money by six and you get 2.6/2.60

IRINA_888 [86]3 years ago
4 0

Answer:

2.60

Step-by-step explanation:

25.80-10.20+15.60

15.6/6=2.60

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Haley works at a candy store. There are 10 types of bulk candy. Find the probability that one type of candy will be chosen more
DIA [1.3K]

Answer:

Probability that one type of candy will be chosen more than once in 10 trials = 0.2639

Step-by-step explanation:

This is a binomial experiment because

- A binomial experiment is one in which the probability of success doesn't change with every run or number of trials.

- It usually consists of a number of runs/trials with only two possible outcomes, a success or a failure. (10 trials, with the outcome of each trial being that we get the required candy or not)

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Binomial distribution function is represented by

P(X = x) = ⁿCₓ pˣ qⁿ⁻ˣ

n = total number of sample spaces = 10 trials

x = Number of successes required = number of times we want to pick a particular brand of candy = more than once, that is > 1

p = probability of success = probability of picking a particular brand of candy from a bulk with 10 different types of candies = (1/10) = 0.10

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P(X > 1) = 1 - P(X ≤ 1)

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P(X = 0) = ¹⁰C₀ (0.10)⁰ (0.90)¹⁰⁻⁰ = 0.3486784401

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P(X ≤ 1) = 0.3486784401 + 0.387420489 = 0.7360989291

P(X > 1) = 1 - 0.7360989291 = 0.2639010709 = 0.2639

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